the buildup of anal sweat caused when one is physically active yet refuses to wash themselves for days on end.
Bill was quite a hockey jock, but suffered from massive sphincterization because he wouldn't shower after each game.
by Nick Andrews June 01, 2007

Uptight, reserved, unable to let loose. The epitome of anal-retentive. Like a bag with a drawstring pulled tight.
by Noir September 06, 2005

From the South Park song "Mr. Hankey the Christmas Poo"
and won't fall in the toilet
coz he's just clinging to your sphincter
and he wont drop off and so you
shake your ass around and try to get it to drop in the toilet
and finally it does
and won't fall in the toilet
coz he's just clinging to your sphincter
and he wont drop off and so you
shake your ass around and try to get it to drop in the toilet
and finally it does
by The Real Izzy December 28, 2005

by Morroco August 18, 2003

by Bronoun September 20, 2004

by Zaquie July 26, 2006
