Middle Man To A Drug Deal...

To follow through with your actions or perform sexual act

to take a chance or go ahead with a risky manuever

Also known as Running it

A ill mistake someone said or did.

(verb phrase) to become inebriated, i.e. drunk; similarly, the phrase can be used to describe an intended action ("i'm gonna run that"; "i wanted to flirt with her, but then i decided that i didn't want to run that"); the second example shows a possible connection with the known phrase run game

When skateboarding and, landing a sketchy trick like a 270 flip you ''run it'' as a slang for do over

to start a fight or to just rush somebody