Sliperyspangel's definitions
When another inserts their head into the anus of another male or female and bites down on the lining of the anus
Person 1: Hey baby, fancy a dirty periscope?
Person 2: I would love you to give me a dirty periscope.
Person 2: I would love you to give me a dirty periscope.
by Sliperyspangel August 20, 2015
Get the Dirty periscopemug.