"Leave on" is the English translation of the Hungarian slang "Hagyd Rá".
The actual meaning of this slang is:
Not to worry about it, let it go, drop it.
This term is not centralised to a certain area of practice, therefore it shall be free to use anywhere around world.
Examples:
"Leave on, she's ugly."
"Leave on that car mate, you can find better."
To have sex with your girl and leave as soon as possible.
I went to Barbie's house last night and had to leave it in and leave so I could go out with the boys.
something my dad is a pro at, and something you better not be good at
The guy leaves his dick inside his woman after he's ejaculated. Depends on the each individual but personally I love it. To stay feeling connected after sex.
When you've finished having some good sex and the guy just doesn't wanna get out of you and leaves his dick inside. Can also be used to express 'leave it in music' i.e hot steamy RnB tunes that you just have to make out too.
Weed, Marijuana, Pot, Ganja, etc.
Dr. Dre: Still puffin' my leaves
Leave it, let it be.
Leave it.
My car won't start, leave it.
My wallet was stolen, leave it.
To go out of, or away from. Such as leaving the house; to go elsewhere.
I should be leaving any moment now.