A fork of Rural Dictionary
to be kind of in a relationship with a guy/girl, but not fully committed any MAYBE not exclusive/monogomous. baically you like eachother and are sexually active, but dont call eachother girlfriend and boyfriend
people who hate committment should be on it-eg teenag boys
girl:i saw you kissing with adam before, are you going out now?
girl2: nah, we're he's not my boyfriend, we're just on it, innit, just link whenever
if your want to do something or if you like someone you would say oh im on that.
u go n meet girls n 1 boy asks the other "are u on her" (do u like her)
or
u wanna go 2 a football match and u ask sum1 "Are u on it" (do you want to do that)