Somone who is good at what they do.
Girl is a jammer. She sucked 37 dicks!
by Xerobull November 29, 2002
28 more definitions
Top Definition
A heart attack.
My old-man is in intensive care. He did too much blow and had a jammer last night.
by Coosit September 11, 2003
The point scoring position in rollerderby. she earns points by passing the opposing teams blockers.
Did you see Kill Basa whip Pain Austen past Desepticon? Man, Pain is one badass jammer.
by Pain Austen October 16, 2006
To simultaneously wank whilst taking a dump.
James had work in ten minutes so he had to have a 'jammer'
by fruitbasket** July 24, 2011
"packed", "crowded" or "jam packed". Used mainly in Ireland.
The train this morning was totally jammers! I think I'm going to walk to work from now on...
by Klarissa506 January 14, 2009
Irish Origin; means 'car'
Here lads check out my new 'Jammer'
by Donal June 01, 2004
Really Cool OC boobs
She had mad jammers. I just wanted to feel up her jammers all night.
by Peter O'Toole December 15, 2004
A romanticized designation given to a person or group of fascists using various electronic or other media to vandalize property or pirate electronic communications to overpower or silence voices that they disagree with.
Billy and his gang of jammers can't stand the opinions being expressed on their local radio station, KLWO. So Billy's jammers are going to take away the station's right to free speech by pirating their own signal to overpower KLWO's signal in an effort to silence them.
by Schnorkenschneider February 19, 2014

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