Top definition
usually people say it when they're bored or can't think of anything else to say or talk about(especially over instant messages)

*it doesnt always have to be spelled 'uggg' there can be more 'g's*
screename1:hey wats up?
screename2:hi nm u?
screename1:nm
...a couple minutes later of not talking...
screename2:uggg
by Victori-A May 22, 2006
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