An orgasm you have in your pants when you see Zac Efron.
"OMG! Did you see the new High School Musical movie!? I totally had a Zacgasm!"
by oohlalaitsmegan January 11, 2009
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.×