Top definition
Aussie slang for arse. Derived from the word cloaca which is a bird's vent, i.e. a bird only has one hole to shit, piss and root with. This amazing all-in-one hole is located on the underside of a bird's tail.

Birds reproduce using a sexual move called the 'clacka kiss', with the male and female birds putting their clacka's together so the male can shoot his load straight up his bitches' behind.
Goddam if Brett keeps on eating my chips I'm gonna kick him straight up the clacka!
by fistintheface October 19, 2010
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2
wtf that chik just shoved a fooball up her clacka
by Brad August 05, 2004
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3
a vagina........
dont make me smack your clacka
by B-Rad May 23, 2004
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4
an insult to a sibling or person on the street
Brad: OI!
Zia: WOT
Brad: You are the biggest, nastiest Clacka imaginable
Zia: k
by Brad June 07, 2004
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5
toim uzd two insulld yo bruvvah / sistah / whozevahs gotsa clacka !
sibling 1 : WHAT ARE YOU DOWNLOADING !!
sibling 2 : LIZZN HOE, FUNK OWF
sibling 1 : SMAK UR CLACKA !!
by zia May 25, 2004
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