Top Definition
the act of taking a shit in the top toilet tank while getting a fantastic blowjob and maybe a dick rub or two
I decided to take a upper decker in my friends toilet when a girl walked in on me and she decided to give me a upperdecker blumpkin.
by Pat Atkinson January 24, 2009
6 Words related to upperdecker blumpkin

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×