by Poopstain@yahoo.com March 15, 2015
Circular muscle in the anus; can be developed in gay anal sex receivers to clamp down on the penis and give pleasure to the giver, often making them ejaculate, depending on the skill of the receiver.
Peter Goesinya always like to fuck Chuck because Chuck's sphincter muscle had been well trained and was always used at just the right time.
by Richard Black April 12, 2005
sphinctered,to be off ones head, totally not in control, physically or mentally whether that be caused by drugs, alcohol, or something else
went to an allnighter with some mates,could,nt hardly stand up, we were well sphinctered when we left
by dirtbox July 24, 2006
by Damien Hogg December 5, 2006
What people sometmes scream while attacking their friends from behind, shoving their fingers in their friends buttholes.
by The Numba One Solja October 30, 2006
"4chan is the sphincter of the internet "
by black thunder 99 February 27, 2016
by Chip Assman April 29, 2003