Spectacularly droopy breasts, that can be imagined beating together in similar fashion to the childs toy of the same name when the possesor of said clackers moves in a vertical direction. Also see clackerknobs. Has been transmuted into a slang term for breasts of all descriptions.
Would you look at the clackers on that?!?!?!

Refernces in the UK red top press to Judy Finnegan exposing her clackers on live TV when her top collapsed at an awards ceremony.
by Ian McHugh April 20, 2008
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A court reporter, from the noise the court reporter's machine makes when the minutes of a trial are recorded.
The clacker was stuck in traffic, so we have to wait until she gets into the courtroom.
by pentozali February 4, 2009
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Persons possessing unique laughing sounds. Usually hired by comedians who would fill the house with as many as he could afford in order to impress management and get themselves 'held over.'
"This guy's gonna need a squadron of Uncle Bob's professional clackers to warm this room up."
by Gwynne January 31, 2004
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Poking a woman's gag reflex, triggering a blast of vomit.
"Did you hear about the bride on her hen-do? She drank 10 pints of Snakebite and two bowls of peanuts and twiglets, then took some poor bloke upstairs to give him a blowie. She was so drunk she overcooked it, hit the clacker & filled his boxers!"

"Shit, Jim, his momma ain't ever gonna get those stains out"
by Mrolls May 14, 2014
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Kentish slang for pastry, usually undercooked.
I'll make the pie filling, you make the clacker
by Miles Harrison November 22, 2006
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