1) a sport bike.
2) a male erection.
1) I think i'm gonna save up my money and buy a crotch rocket next summer.
2) I can't stand up until i get rid of this crotch rocket.
by the saskatchewan stud muffin January 23, 2007
A device that boys w/ small penis's use to completely erase their brains or smear them all over the road. This device has the ability to make boys think they are cool when in reality they end up acting like idiots and killing people on the road after masturbating to "Biker Boyz". The one redeeming quality is that Darwin's Theory has full effect on this crowd.
Watch the evening news on most any summer afternoon to see an example of one of these boys riding crotch rockets becoming organ donors.
by john levendowski May 08, 2006
Any Motorcycle.
"I got thrown off my crotch rocket doing 130."
by Diego August 17, 2003
any motorcycle with two brake disks on the front wheel.
SUZUKI GSXR see gixxer
KAWASAKI ZX-R
YAMAHA R1
HONDA CBR

look closely at the front wheel of a bike; if it has a brake disk on BOTH sides it can be considered a crotchrocket.
by OnyxO September 04, 2004
people who dont leave their name are too afraid of getting their ass kicked for talking shit about buicks.
And whats with this street legal /not street legal bullshit.
You sound like my grandpa worrying about piddly ass shit laws.
dont you know that cops always go after hot dog bikers first anyway
Hell i drove my car for six months with no muffler or exhaust pipe and the cops never stopped me and dont try to tell me i burned my exhaust valves and sound like you never made it past 5th grade
this cop was chasin me on my crotch rocket and i turned a corner and slipped on some sand and fell and the cop car ran my prep ass over!
Damn am i ever a sperm burpin slarfer
by Anonymous April 09, 2003
any motorcycle that is not classified as a Harley Davidson.
Set: "Look at that guy on that neon yellow crotch rocket"
Lila: "Yeah, he's a hottie"
by Lila & Set December 29, 2003
peice of shit
Dauer962 LM Sport would blow any you bitches away. 0-60 in 2.7 and top speed of 250. man your ass is grass
by some nigga September 24, 2003
when two people sittin on the ground towards each other, one of them takes the others legs and kicks as hard as they can into the others fricken crotch. Hence CROTCH ROCKET !
"hey Gary that was an awesome crotch rocket you gave me yesterday, it felt stingy"
by Jobie Trice February 14, 2005

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