Top definition
(fale*gaz*um)
(n)a failure at an activity or undertaking you had been engaged in.
(v)To fail, or have an unsuccessful result of an activity or undertaking
"I just phailgasm'd all over that test."

"ugh, i had a Phailgasm at halftime when i dropped the ball"
by Raymond Dyrimm January 24, 2008
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