Top Definition
That annoying and extremely visible, but absolutely useless stage of semi-erection suffered by teen males when observing a pretty girl, riding a bus, doing something completely innocent - and it JUST HAPPENS !
All the guys laughed when Josh got a "slacky wide on" as Mrs Thermapopolis the 48 yr old Greek language teacher bent over to pick up the text-book she had dropped.
by RecByjam July 09, 2005
1 Word related to Slacky wide on

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