A paper toilet seat cover that you use on a public toilet so you don't get other people's crap on your ass.
"I needed to you the restroom at the Burger King but there weren't any mexican party hats to put down on the toilet".
by vtec16 April 11, 2005
instead of rolling the tip of your joint, you burn it hence causing the top of the joint visible, therefore it looks like a mexican sombrero.
Burns better and slower
Burns better and slower
by Alejandro911 December 20, 2010
The act of pushing your head deep enough into a woman's vagina so that your tongue can touch her anus. Thus, you appear to be wearing an attractive top hat. It is Mexican because the tongue to anus is absolutely disgusting and dirty.
I got a Mexican Top Hat from my girlfriend last night, and it was the sickest thing I've ever experienced.
by Your filthy disgusting daddy February 6, 2008
by Kdub driver November 15, 2018