mash it up 

a violent jamaican term, used to describe the insertion of a penis into a vagina..get it? u beat so hard u mash it up...?

1. yo trav! im `bout to mash it up.
2. ayo bumbaclot, lemme mash it up !?

mash it up by roz & tesha August 22, 2005

mash it up nah 

A trinidadian phrase to usually said AFTER some one comes close to breaking something,it is a form of sarcasm.

person 1) knocks over appliance

Person 2) well mash it up nah.....

mash it up nah by bronte91 January 31, 2009