1 definition by Ihasn

Top Definition
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.
#ungay #warning #underwear #man law #changing
by Ihasn December 16, 2007
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