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2 definitions by Wilburt

In a car that is equipped with some sort of forced induction system ,such as a turbo or a supercharger, a blow-off valve is usually availible as an aftermarket part to release excess pressure (boost) from the turbine system. Makes a very distinct noise. Like - pssssshhhhhhhhh! Or somtimes a chirping noise depending on the blow-off valve. Usually replaces a stock part usually refered to as a by-pass valve.
1. Gil: Whoah, dude! Did you hear that car go by?
Willy: Yeah, it sounded like it had a blow-off valve.
by Wilburt April 28, 2006
1. A name given to the action of indirectly asking or suggesting somthing.

1. Jacob: Man, that ceareal looks mighty delicious....
Joe: Are you Jacobing me?
Jacob: Yeah...
Joe: Would you like some cereal?
Jacob: Yeah....

2. Jacob: So, heard that movie was pretty good....
Jill: Did you just jacob me?
Jacob: Yeah....
Jill: Would you like to go watch this movie?
Jacob: Yes Please....
by Wilburt July 10, 2006