maghanap ng salita, tulad ng blumpkin:

1 definition by Pat Atkinson

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.
ayon kay Pat Atkinson ika-24 ng Enero, 2009