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verb To talk noisily or stupidly; jabber
noun The mouth: Shut your yap
noun A stupid, crude, or loud person.
Until Ja started yappin' in magazines how we stabbed him
Fuck it 50 smash 'em, mash 'em and let him have it
yap by Bean December 11, 2004
To steal from, or rob someone. especially jewerly and other valuble items.
"Yap that fool"!!!! (from the song "ante up")
yap by Yapper August 27, 2003
Space created within a line of people, usually at amusement parks, when someone engaged in conversation ignores the forward flow of said line. The phrase was first coined by Laura Botham of San Diego, whilst standing in line at the Silver Bullet rollercoaster at Knott's Berry Farm in Anaheim, California at 5:40pm on Saturday, November 29th, 2008. While originating as an inside joke within Botham's group of friends, the catchphrase caught fire throughout the park with each usage, sometimes even targeted at complete strangers. It has been determined that the volume and tone with which the phrase is used is directly proportional to one's patience level and lack of foresight and/or understanding that a small pause in the line's forward movement will not actually get one to the front of the line sooner. Intense usage of the phrase can lead to pedestrian road rage.
"That 14 year old couple is too busy making out to notice the 30 foot yap gap.........YAP GAP!!!!!!!!"
yap gap by AdamGimbel December 17, 2008

runnin yap

mouthing off, talking shit or just being loud.

Quick for running your yapper
Dicky - "What was that guy sayin about Celtics tickets back there"

Biff - "You mean that dude runnin yap at Billys? I don't know, alls I heard was blahblahblah n rarara"
runnin yap by chrisking5150 December 4, 2010

yap yin shian 

omg you got Mrs Yap Yin Shian as your humanities teacher?? You’re so lucky!!!
yap yin shian by -//β€”//- November 22, 2021