look up any word, like swag:
 
4.
an expression ofen used by youth in place of outdated terms such as "cool" or "bitchin'."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
7 9
 
1.
Taking a hit of DMT (Dimethyltryptamine), as this will be your rocket ship to the moon!
It's been a long night, time to blast off and watch the sunrise.
by pocketfrog April 15, 2011
56 18
 
2.
The act of smoking marijuana while you are tripping on acid.
(guy) Yo you want to smoke a blunt?

(guy2) Nah man im trippin balls

(guy1) I know but i wanna blast off!
by Lucidreamer February 16, 2011
58 33
 
3.
When you are smoking some marijuana and you think you start to feel a little high, it is that intense high feeling you get right after you take one more hit that takes you to fucking space.
"Dude I just got a little high" *takes one more hit* *1 second later* "Hoooolllyyy shhhiitttt duuude, BLASTOFF!."
by Dennis V Blastoff March 09, 2010
13 5
 
5.
The act of cumming on a woman.
I had a hard blast off in her face after that mic check!
by Duke February 24, 2004
40 43
 
6.
To cum vigorously and copiously.
Thinking about Rena really makes me blast off!
by pentozali November 06, 2011
3 8
 
7.
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
10 15