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2.
When someone sits in path room for 30 minutes
Calebs taking his 4th 30 minute today!
by Qw3Ett June 21, 2003
 
1.
The minumum amount of time needed for the average human male to recharge.
Cindy: "I'm so horny right now! John, why can't you get it up?!"

John: "Sorry Cin, it hasn't even been 30 minutes since I banged your sister, Kate."

Kate: "Trust me sis, it'll be worth the wait!"
by halfhourharry March 27, 2012