Top Definition
The act of posting a message on a forum that is so undoubtedly awesome, that you climax numerous times while writing it.
John was so into his carefully worded tyraid against hotgrrl6969, who inadvertantly posted a thread on the wrong section of the message board, that he unintentionally masturposted all over his keyboard.
by Geoff B January 21, 2004

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.

×