dirty bertram

The act of cutting a fleshlight out of you dog or cats ass and using it on your best friend

Chad: Dude did you see that Daniel went to jail yesterday?
Brad: Yea dude i heard that he did a Dirty Bertram on Mike

by Mastersex123 September 27, 2022

The Dirty Bertrand

Similar to a Dirty Sanchez, when one lets their unwashed bellybutton begin to stink then picks said bellybutton and wipes it on the upper lip of an unsespecting victim.

I gave a girl the Dirty Bertrand last night, she threw up in her shoes.

by bbbeaver October 13, 2012