Top Definition
Wanking My Cock Off wank-ing my cock off
'I was WMCO'.
'What does WMCO mean?'
'Wanking my cock off'.
by melon_ June 14, 2007
1 more definition
5 Words related to WMCO
W.M.C.O. = What My Car On (try googling it)
man that is just to wmco
by Derek September 22, 2004

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