1 definition by CPSC

Top Definition
The act of receiving a blumpkin while taking an upper decker as the female is also giving two guys on the sides handjobs (the head and hand movements mimic a pterodactyl flying.)
Dude, I felt like I was in the prehistoric era because of how believable her pterodactyl was when she was giving us a blumper-decker-dactyl!
#blumpkin #upper decker #pterodactyl #blumkin #teradactyl #gnargoyle
by CPSC October 03, 2010
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