Dirty periscope

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.

by Sliperyspangel July 24, 2015

Down Periscope

Erection recession.

"O man Emily's smokin tonight, I'm chubbing up. Wait... here comes Martha. Down periscope."

by Jerk of Iron May 27, 2021

Down Periscope

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.

by Ihasn December 16, 2007

Down Periscope

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

Leaky periscope

When underwater bj goes wrong and someone nearly died.

My girl nearly died because of a leaky periscope while trying to dome me in my homies pool.

by WhiteboyBrad January 20, 2025

Leaky periscope

Name of a failed attempted sex act where your girl tried to give you some underwater and nearly died in your homies swimming pool.

My girl suffered a near death experience after utilising a leaky periscope.

by WhiteboyBrad January 20, 2025

Periscope depth

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.

"holy cow do I have to pee, but i'm at periscope depth and could take my eye out if I try.

by DickTurman March 07, 2011