Mong off
When 2 people smoke cones back to back and both try to not mong it before the other person
Lets have a mong off
Greg monged it on his 5th cone, decent mong off
Greg monged it on his 5th cone, decent mong off
mong off
Another way to say go away, fcuk off, get lost.
I wish you would mong off and leave me alone.