Verb
(idiomatic, colloquial) To test someone to see how much bad behaviour they will tolerate; to try to deceive someone to see how gullible they are.
(idiomatic, colloquial) To try to start a sexual relationship (with someone).
Source: en.wiktionary.orgNever trust a man, who when left alone with a tea cosey... Doesn't try it on. Billy Connolly
You make sure that there's a structure that's interesting for them to play on top of, then do temp versions and try it on the film. By the time the players come to the recording session, I've found what works. So I'm not wasting their time. Mike Figgis
And I'm amazed at how many guys hit on you when you're brunette. I've had a few occasions where I've found a stray hand on my knee, which never happened when I was an icy blonde. Blokes obviously get drunk and think: 'I might as well try it on a brunette - she'll probably be grateful.' Alice Evans
I am not a person who tries on in the stores. It drives me crazy. So I buy and take back if I don't like something. I really don't enjoy being in the dressing room. I rather just try it on in my house. Jessica Simpson
About 10 years after his return from the war, Stern broke out the old Eisenhower jacket in an attempt to try it on. Source: Internet
Or try it on toast with sunflower seeds. Source: Internet