Referring to anyone that has bad body odor and doesn't realise it.

A semi polite way to tell someone they stink of BO
'Hey, did you notice that ____ was skunking up before, he fking stinks man'

"Hey man I don't know how else to tell you but your skunking up and you might wanna use some deodorant"
by D!cko September 25, 2008
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