A sex session like a grumpkin in which one sits on a toilet taking a shit while another person gives the shitter a blow job; during a humpkin the grumpkin reciever humps the grumpkin givers face while holding the back of her head; hence HUMPkin.
"My you really humped my face while I was giving you a grumpkin Jimmy."
"Ah yes, cynthia, I did not want you to do all the work my dear. That was a humpkin"
"Ah yes, cynthia, I did not want you to do all the work my dear. That was a humpkin"
by nick April 07, 2005
by Nick January 14, 2004
(n.)
Someone who looked a lot more attractive in the disco than they do in your bed the next morning.
Someone who looked a lot more attractive in the disco than they do in your bed the next morning.
by Nick March 29, 2003