to dunk on someone, similar to the white folk word "jammed"
"Did you just see Nate Robinson? He just YAMMED on Yao Ming!"
by Trevor Martin June 16, 2008
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To do something agressively.
Alek keeps yamming the throttle and burning his tires.

Jeff kept yamming the brakes to make me spill my drink.

yam yammed
by SqueakMaster-9000 February 11, 2014
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West Midlands slang - to eat something. See also "et".
"Mum, I'm tired of coal and beef dripping batches!"

"Shut your noise, Noddy, and get it yammed."
by EnglishNuclear February 11, 2016
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Drug slang referring to a heroin-filled balloon.
This use of the word is seen in the song "and then what?" by the rapper Young Jeezy in the following passage:
"Close shop then I do my count, hide the rest of the yams at my auntie house"
by beakllerina August 1, 2005
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1~ To be really drunk.

2 ~ to engage in something very excessive, and need to drink excessive amounts of beer for the event.
- Aye man I was fucking yammed last night.

- We gotta get yammed up for that game.
by wojo44 April 24, 2010
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