P.E.S.

P.E.S. The male version of the female P.M.S. occuring ((hopefully)) more often though.
P- Pre E- Erection S- Syndrome

Not to be taken lightly.
"Geeze you're in a mood."- Girl
"Sorry. It's P.E.S." -Boy

"What's up with him? He's majorly P.E.S.ing."

"Wow. He hasn't suffered from P.E.S. in a while..."
by trio December 17, 2004
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