Top Definition
when having anal sex the reciver farts so hard it causes the penis to fly out. as well as anything else in the ass at the time
philo gastration is even sedier when the person sharts
by Mina tor returns May 08, 2007

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×