1)anything/anyone who is cool,good, okey doke, particularly in the sense of being trustworthy/reliable etc etc.

british slang.

when someone/something's really, really 'sound' you say they're 'sound as a pound.' ie they're so sound, they're as trustworthy as the wonderful british currency!!! that's one hell of a compliment.

2) moaning, losing your temper over something. ( as in 'sounding off')
1) some people don't like that girl, but i think she's pretty sound actually.

- that's my best mate over there. he's sound as a pound he is.

2) she's sounding off about some crap no one cares about again!!
by spig March 12, 2006
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sound is often used by townies, a describing word for summat cool and great.
in a footy match:
"did ya see that kick? that was sound!"

rele cool phrases it can be used in:
"he is as sound as a pound!"
by siobhanjones December 2, 2004
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someone that you like or think has a good personality, or has qualities that you like.
"He's such a fag, my god !"
"What the fuck are ya sayin' ? He's pure sound !!"
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when something is beyond all greatness and the excitment is all out the sound comes to mind and satisfaction is achived
"well sound!"
by ya mam December 2, 2003
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WOW everyone uses the "smart" definition. it means N O I S E you fucking retards
creek errk creek errk
-honey, uhh, why, uhh, is, uhh, the bed, uhh, making, uhh, that, uhh, sound, uhh
-uhh, i, uhh, dont, uhh, know, uhh
by Urban Dictionary March 18, 2005
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meanin good. not like SanJ Street said before cos if you ask for a fag and they say they ent got none left and you say sound mate it sounds sarcastic as fuk.
beccy: i went to Scream last nite
scuz: yeh?
beccy: yeh it was wel sound!!
scuz: tru
by ali p April 15, 2005
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