dirty slushie 

the act of whipping your penis in shit and then inserting it into a girls mouth and swirreling it around

damn i just gave that bitch a dirty slushie and she loved it

dirty slushie by justin peterson May 5, 2006

Dirty Mexican Slushie 

During sex, insert a nice cold slushie down your partners penis. Then have your other partner to ejaculate it out. When its about to come out, shove it up your nostrel and wait for an icey suprise

Jenifer: " dude my nose hurts from the dirty mexican slushie!"

Paul: "same It felt like antartica down there!".

Dirty Mexican Slushie by Oliver klothesoff October 29, 2011