If you've got it, flaunt it spoken language humourous
If you have somthing good like your appearance, skill, or talent, you should show them off.
You shouldn't wear this baggy shirt. You are very muscular. If you've got it, flaunt it
I came out of my shell and delivered an outstanding performance on stage after being told " If you got it, flaunt it".
A: I've never performed in front of many people B: I've seen you play the violin well on stage. Come on! this is your birthday. If you've got it, flaunt it.
To prove one’s worth or skill
To put one in a situation in which they must show their worth, skill, or ability.
Although you got the second prize, you was still defeated by the first one and fail to win, come first or become the champion in the end.
She congratulated me for getting the second prize, but I think second place is the first loser.