Top Definition
A pharse used by folk who like to get on it big time. So much so, that you are on it like sonnet.Sonnet is a mythical creatre who could never turn down a dunting session any day, time or place.
What you up to tonight?
on it.
Aye, well sound. Like how much are you on it?
I'm on it like sonnet
by everythingallthetime March 22, 2011

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