Onderdonk

When you dress up like a historical figure and fuck someone in the ass.

Did you see my George Washington costume? I’m going to onderdonk the shit out of her tonight.

by migglez May 20, 2018

Onderdonk

Someone who overtly uses proper grammar, really long sentences, and pompishness in day to day life.

Some guilty of onder

Gabriel always uses such pretentious vocab and grammar. What an onderDONK.

by chniwt April 19, 2018