try it on

try it on

1. To put on a garment or other wearable item to see if it fits. You won't know if that dress fits unless you try it on. A: "Oh my gosh, I love it, Chad!" B: "Well go on, try it on! See if it fits!"
2. To attempt some form of underhanded behavior or deception, typically with the intention of soliciting something or prompting an action from someone. Primarily heard in UK, Australia. She's always trying it on with us, but we're wise to her games.
See also: on, try

try it on

BRITISH, INFORMAL
COMMON
1. If someone tries it on, they try to start sexual activity with another person. He was horrible. He tried it on. I was on my own with him.
2. If someone tries it on, they try to get something or do something, often in a dishonest way. They were just trying it on — applying a little pressure in the hope that they would squeeze something out of me.
3. If someone, especially a child, tries it on, they behave badly, to see how badly they can behave before someone stops them. The kids were trying it on with her.
See also: on, try

try it on

1 attempt to deceive or seduce someone. 2 deliberately test someone's patience to see how much you can get away with. British informal
1 2003 This Is Essex The watchdog Energywatch says that energy suppliers are too quick to assume that consumers who are genuinely disputing an inaccurate gas or electricity bill are ‘trying it on’.
See also: on, try

ˌtry it ˈon (with somebody)

(British English, informal) do something that you know is wrong, in order to see if somebody will accept this behaviour or not: The price he asked was far too much. I think he was just trying it on.Don’t try it on with me, pal, or you’ll be sorry.
See also: on, try