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adj. Slang
Excellent; first-rate.

[From jam.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
You will be overseeing the Programming department for Rhythmic CHR FLO 107.1 (including music) and operations (not including music) for our sister station, Jammin' 101.5.
They include two-way chicken, pulled pork, street shack, jammin' lamb and halloumi and mushroom.
Kozak was particularly pleased with the way 'Jammin' has been working and schooling at home and revealed that he had spent some time with multiple Gold Cup winning trainer Henrietta Knight to polish up his jumping.
Famous for hits such as No Woman, No Cry, Buffalo Soldier, I Shot the Sheriff, Jammin' and Exodus - and with a catalogue spanning more than 50 years - the 2015 reunion of the legendary band, led by original bassist Aston "familyman" Barrett spawned their Legend US and UK tour.
The Marshall Tucker Band, pioneers of the early-'70s Southern rock sound, brings its hits to town this weekend with the "Jukebox Jammin' Tour 2018."
Expect plenty of singin', dancin' and jammin' in this interactive performance as Rastamouse, Scratchy and Zoomer search for their new band member.
We will be jammin' over the weekend to the sounds coming from the third Reggae Sunjam Music Festival in Pomos, Paphos.
Bob Marley's legendary band will be appearing at the toon's O2 Academy on Friday, March 2 - where they'll play the iconic Legend album live on stage in full; including hits from Three Little Birds to I Shot the Sheriff, Jammin' and many more.
Just ask Lara Mason who is currently putting the jam into jammin' and the rock cake into rock star.
Long-lived vibraphonist and jazz icon Terry Gibbs presents 92 Years Young: Jammin' at the Gibbs House, and album proving that age is irrelevant to celebrating the joy of music!
Her: I call the copier Bob Marley because it's always jammin'. #pastor
DIYs to all-day street jammin', the Vickie Report has it all.