Top Definition
A term for masturbating/ejaculating. The term comes from the fact that the average speed of ejaculation is 29 MPH, while a school zone has a speed limit of only 20 MPH. Thus, your ejaculate would get ticketed for speeding in a school zone.
Frank: "Dude, I was just speeding in a school zone before I got here."

Tom: "Did any cops catch you???"

Frank: "Not that kind of speeding, you dolt!"
by Coops34 December 03, 2010

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