Top definition
a form of hazing. the middle and index finger off both hands is inserted into ones anus. they are then twisted so they hook on to the inner walls of the anus.
if you can slap your own ass while doing this it is called a sfincter spank
by Cott Peterson March 10, 2005
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug