The traditional celebration for new fathers whereby, upon arrival of the new born, they procure a lady (different from the mother) and receive a blowjob.
Wetting the Dad's Head - Ecstatic about the arrival of his new son, Steve wasted no time at all in heading to the local meat market to get his head wet in celebration.
by Gourmet November 29, 2007
Person 1: I banged my girl yesterday, she's 38 weeks pregnant!
Person 2: You wet the baby's head, huh?
Person 2: You wet the baby's head, huh?
by TookLongEnough May 24, 2012