An abbreviation of the welsh word "jaman", this is an exclamation used when a person says something with a degree of certainty, which is immediately contradicted by the words or actions of either the same or some other person, or some other event.
Friend 1: I did not sleep with that ugly girl!
Ugly Girl: I had a great time last night, call me!
Friend 2: Jam for you!
Flatmate 1: I know there are no tickets left for that comedian next march!
Flatmate 2: Well I just bought 2 tickets for the the late show online, so jam for you!
Ugly Girl: I had a great time last night, call me!
Friend 2: Jam for you!
Flatmate 1: I know there are no tickets left for that comedian next march!
Flatmate 2: Well I just bought 2 tickets for the the late show online, so jam for you!
by colingra February 12, 2009
Get the Jam mug.This is an abbreviation for "just a mustache". It refers to the popular style of past of men sporting "just a mustache" without any other facial hair whatsoever. JAM was popular in many decades before the 1980s, but seems to have gone to the wayside since then. Often, men sport JAM in situations almost as a joke. This term was coined in the 1990s in Sarnia, Ontario and anyone who thinks they coined it before then may have done so concurrently, but not before me.
by simonchuck June 21, 2009
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Get the jam jar mug.urban jamming is freestyle improvisation in within and with urban space ... typically used by parkour, skate and cycle crews. Installation, street and performance artists, buskers, photographers, filmmakers, artivists, subvertisers, disrupters ...
by darryl darryl March 30, 2017
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