Down Periscope 

A tatoo, found on the penis with the words 'Welcome Aboard'. From the movie Down Periscope.

"Wanna see my down periscope?"

Down Periscope by Eddy Ortega December 29, 2008

Up Periscope 

1) naval term to raise the optics on a submarine
2) bath or shower game for typically one very lonly man

"raise the periscope and arm the cannon"

Up Periscope by chris unger April 22, 2004

French Periscope 

When you wear two french womens vaginas as goggles.

im gonna use you as a french periscope

French Periscope by gooeysoldier January 13, 2021

up periscope 

(v.) Naval term for a submarine to raise the periscope so the crew can see what is going on above water level.


(n.) Bath-time fun for young boys.

Up periscope! down periscope! Up periscope! Down periscope!

up periscope by Kung-Fu Jesus May 12, 2004

Up Periscope 

Bathtime game for up to one person.

"Up periscope, now dive, dive."

Up Periscope by Jtron 3000 October 5, 2003

Up periscope 

The act of deficating with only the buttocks above the surface of water.

Yesterday at the lake I saw a guy up periscope in the middle of the cove while people were swimming all around him!

Up periscope by sailorjerrypoo November 20, 2010

Up Periscope 

A long neck, usually one that is at least twice as long as the person's face. The neck can be used in self-defense to strangle oncoming villans, or used for tasks such as cracking walnuts.

She gave me this look and I thought she was going to all Up Periscope on me and strangle me with it!

Up Periscope by Dr. Von Chang June 13, 2008