What is Ont Sly?
1.
Basically shortened for 'on the sly' basically a way of describing somebody doing what ever slyly or by doing something quite cool.
Popular around the north west of England
*Guy kicks a football*
'ahh look at him kicking that ball ont sly'
*guy sneaks into room'
'Look its joe ont sly'
See
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Lame, over-used 1337 for 'You suck'. Used when someone's attempts to be inpressive fail miserably.
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