Definitions by DickTurman

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.

Periscope depth by DickTurman March 23, 2011