- Venezuela
El que nace barrigon, ni que lo fajen chiquito
This proverb means a person's nature or character is permanent and impossible to change, similar to saying a leopard cannot change its spots. It implies that if someone is born with a certain character, no amount of correction or discipline will fix it. The word barrigon is sometimes replaced with maruton, which refers to the navel. (The literal imagery refers to the practice of wrapping a baby's abdomen in a sash to shape the body or prevent a protruding navel).
That kid is never going to change, el que nace barrigon, ni que lo fajen chiquito. And the mom thinks he is an angel and it is just a phase, but el que nace barrigon ni que lo fajen chiquito.
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Define it yourself 
República DominicanaMamañema
A vulgar insult used to describe a contemptible, annoying, or stupid person. It literally translates to cocksucker, combining the verb to suck with ñema (Dominican slang for the glans or head of the penis).
Who is the mamañema with the music so loud!
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Define it yourself- República Dominicana
rapa tu madre
Considered the most dangerous insult in the Dominican Republic, as saying it often leads to immediate and extreme violence like stabbings or shootings. (It is a vulgar way to insult someone's mother).
They might as well buy the coffin for Beni already: he told me rapa tu madre, just wait until I see him, I am going to kill that cocksucker.
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Define it yourself - México
LUMPATICO
A slang term used to describe someone who is crazy, loony, or acting like a fool.
That person is very LUMPATICO.
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Define it yourself - Venezuela
Mardito
A derogatory term for a person or object, originating from a regional mispronunciation of the word maldito (damned). It is used constantly in the everyday speech of the Zulia region, to the point where it is often no longer considered a literal insult (Zulia is a state in western Venezuela with a very distinct, expressive dialect).
1. Suck my dick you stupid mardito. 2. Get out of here mardito. 3. Mardito piece of shit bastard.
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Define it yourself - República Dominicana
Guaremate
A person with no class who acts as a hanger-on or a suck-up, relying on others for everything. It also describes someone who looks rough and has no real future.
You are always walking around with a bunch of Guaremate behind you.
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Define it yourself - República Dominicana
Gx
an abbreviated way to write thanks, similar to thx in English.
Gx man.
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Define it yourself 
República Dominicanaklk
A common informal greeting used to ask how someone is doing, what is happening, or the status of a situation. It is the Dominican equivalent of what is up or what is going on. (It is a phonetic contraction of the phrase que lo que).
klk my brother, klk bro. Both meaning: How are you, brother? How is it going, brother?
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Define it yourself- Costa Rica
come yuca
A term used to describe getting the absolute best result, profit, or enjoyment out of any situation. It implies successfully obtaining or experiencing something top-tier, essentially hitting the jackpot in terms of fun or quality. (In Costa Rican slang, while yuca is a common root vegetable, this phrase describes someone who lucks into the best part of a deal or situation).
Once at the Puntarenas carnivals, a mae who had been drinking guaro all day got the munchies late in the afternoon. The mae was flat broke, so he started scrounging and gathered fifteen hundred cañas to buy a vigoron (a dish of yuca and pork rinds); by the way, the vigoron cost a rojo. He gets to the lady and asks for extra pork rinds, telling her: put 500 more on there. They give him the vigoron loaded with pork rinds and on his second step, he trips and faceplants, landing flat on his stomach while the vigoron scatters all over the street. Just as the tapis is recovering from that massive wipeout, a dog shows up to scarf down... (what do you think he was going to eat? the cabbage?) the pork rinds, of course, and he come yuca.
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Define it yourself That's all for now. Come back later!
Define it yourself
Venezuela
República Dominicana
México
Costa Rica