A practice of shaking your mouth back and forth over the lucky birthday girl's (or boy's) breasts, an equivalent amount of times to their age.
Darn, it took forever to finish Barb' birthday motorboating because she is now 88 years old. My lips are numb.
by ClavicleLover;) July 7, 2010
Get the birthday motorboating mug.by Laurier November 24, 2004
Get the ferociously masterbating mug.To masturbate maturely, typically while wearing a monocle, top hat, and smoking from a corn cob pipe
by Veretus September 5, 2010
Get the Maturbating mug.When one talks about himself to a second party as being better than the rest of the population. While it is said to someone else, it is really just intended for the person to hear out loud how "awesome" they are. May be done out of deep-seated insecurity.
Matt: "I am going to be the most awesome lawyer. I am just a really compelling speaker blah blah blah"
Other people later: "Goddamn Matt was verbally masterbating so much there might be chafing."
Other people later: "Goddamn Matt was verbally masterbating so much there might be chafing."
by yeah April 13, 2003
Get the verbally masterbating mug."This girl was in my room and I couldn't take it anymore so I motorboated her. After the motorboating she left."
by A Bobby August 28, 2006
Get the motorboating mug.Game commentator: Did you see that HOME RUN, that was out of this WORLD. This truly is masterful batsmanship.
Me: No, this is just masterbating .
Me: No, this is just masterbating .
by mambassenpai November 12, 2014
Get the masterbating mug.We thought Michael was getting lucky in his room, but it turned out he was just motorboating by himself.
by BobbyHi11 December 10, 2014
Get the Motorboating mug.