slang for the moment in high winds that a (often floaty) skirt gets blown up by a gust of wind, often followed by a squeal and frantic attempts to push it down.

Origins come from the famous picture of Marilyn Monroe over the air vent trying to keep her dress down.
"ahhhhh can u wait a second, I'm having a Monroe mo"
by Erica_tripper October 21, 2005
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