Top definition
"On my ones" is a popular phrase used in South East London high schools and is simply slang for β€œon my own”. As all slang does, the phrase slowly died out and is now used purely for comic effect. Variants of the phrase include: On your ones, Ones and One-sies.
Guy A: I'm just going to go get some chocolate.

Guy B: Don't leave me On my ones!

Guy A: Shut up...
by BakedBeans November 28, 2009
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2
Performing at my best. Proficient. Sharp. Prepared to do well.
There's no better baller (basketball player) than me, this season I'm on my one
by wordem'up October 11, 2011
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