are on smoke

Same meaning as “your on fire” but less extreme

“Yo Jared you are on smoke rn”
“Lil nga I am on fire not smoke”

Smoke on it

thought it was more common expression.... but it basically means to reflect on or analyze something. Referring to how stoners get lost in thoughts while blazing.

Not sure what it means..... ill smoke on it for a while.

smoke it

To smoke weed,

After years of being a good kid that guy just decided to smoke it.