1) a souped-up motorcycle, which may or may not have been modified from its factory condition.

2) a helicopter. Any kind of helicopter -- military, police/emergency, media (news), or civilian.
1) A classic example of a "chopper" motorcycle is the one ridden by Peter Fonda in the movie "Easy Rider", which was emblazoned with a design of the American flag.

2) I saw a chopper (helicopter) come to airlift the injured person from the scene of the accident to the hospital.
by nutrishn October 05, 2013
A machine gun (specifically an AK 47) that is designed to eject a large amount of bullets that will have a powerful impact. The word is used in multiple songs and movies.
"One chopper one hundered shots - bang" = Kendrick Lamar {swimming pools (drank)}
by Taytay779 May 27, 2013
Noun- (slang): An AK-47 Assault rifle, fully automatic. A term used by gangster rappers who want to sound tuff.
"I gotta chopper in the car, ruff, ruff, ruff!" ~ Rick Ro$$
by gsmith92 March 30, 2013
A right dobby who persistantly chops wood, to no avail.
"Dan's a hefty chopper, for sure"
by Big Bazz September 17, 2012

Some one that acts like a cock/idiot/know it all and thinks they are the best at everything.
A chopper also likes to gloat about everything.
A chopper normally says the following.

I shagged 20 girls at the weeked.

My dad is best friends with god.
by ledge21 October 20, 2011
A derogatory petname for an annoying person who follows you around the bar all night and doesn't get the hint that you are not interested.

Girl 1: So this guy started talking to me and now won't leave me alone.
Girl 2: He's such a chopper.
by eblossom June 30, 2011
The part of the anus responsible for cutting excrement from ones internal bowles
"I have just been to the toilet and my crap was so big my chopper was struggling to function"
by mikeyplaa February 26, 2009

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