8
When a girl is riding a guy cowgirl style. She begins to countdown from 10, and upon reaching 1 she "blasts off", by queefing on his dick as she jumps up into the air.
Jim: So how was your date last night?
Tom: Great, until the end. Took her back to my place, and she decided to blast off. Picture a leaf blower on your nuts.
Jim: WOOOO BOYYYYY
by blastoffking69 March 07, 2010
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9
an expression ofen used by youth in place of outdated terms such as "cool" or "bitchin'."
Dude! That dunk was totally blastoff!!!!
by Will "Blastoff" C. February 05, 2007
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10
To cum vigorously and copiously.
Thinking about Rena really makes me blast off!
by pentozali November 06, 2011
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11
When you go with a communal cup previously bought from Taco Bell to drink Baja blast without paying.
Dude, I'm pretty beat from this long day of skating, let's go to Taco Bell and blast off.
by Bongmaster123 May 08, 2016
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12
When a girl is sitting on an erect penis and the man cums so hard she shoots off it.
Girl : My man gave me such a Blast Off last night I got whiplash
by jordanBoost May 22, 2016
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