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2.
Penis, Pene, Dick , or spanish slang for Penis
Te meto la masacuata.

I will bury my masacuata in you.
by Oscar Mazacuata November 05, 2011
 
1.
In central american countries the word masacuata is used for an anaconda or a very large snake.

It is also used in a vulgar way to describe someone's penis.
We caught a masacuata by the jungle it measured about 18 ft long.

Mamame la masacuata.

Quieres que te meta la masacuata?
by el masacuatudo March 27, 2010