What is Grundleingus?
1.
The act of fellatio performed on a man who is having a bowl movement on the toilet. iow, giving head to a guy while he's taking a huge dump.
Referenced briefly in the american pie: beta house movie, wherein a test to join a fraternity includes the requirement of receiving said carnal pleasure.
could possibly refer to the act performed on a woman, but the logistics are much more complicated
"Yo, your mom gave me some grundleingus last night."
"Dude, thats gross."
"no, what's gross is that i had just eaten some taco bell"
See
