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 July 24, 2015
A method of wiping the ass after defecating. Toilet paper is wrapped around a finger and inserted into the rectum. The hook shape of the finger and subsequent motion resembles a spirited periscope operator.
by rocknrollsauce October 26, 2011
The result of a morning chubby, the tip of one's wood will break the surface of the underwear as though to take a look around. similar to that of a submarine periscope.
by DickTurman March 7, 2011
by Jerk of Iron May 27, 2021
Used when two or more males are in tight living conditions. One is changing and yells down periscope when removing underwear to warn the other(s)that boxers, briefs, or other type of underwear is being removed.
Bob: Down Periscope!!!
Jim: Dude thanks for the warning me cause I was so just looking at your gay ass.
Jim: Dude thanks for the warning me cause I was so just looking at your gay ass.
by Ihasn December 16, 2007
The act of going down on a woman only to ineptly go eye to ass. Generally associated with intoxication and accompanied by a case vicious pink eye the following morning.
Damn man, last time I was at your place o tried going down on my girlfriend and woke up the next morning with pink eye. Oh you mean a down periscope.
by Pink Eye Anonymous January 18, 2018
When you are sitting on top of another man's penis in a bathtub and yours is so erect it leaves the water, like a periscope.
by Therein_Lies January 27, 2015