(slang, transitive) To attack a person as a group or gang.

To speak favourably of someone to someone else, in order to help them out.

(transitive) To make good use of something.

in other words

(informal) To do something particularly well or particularly badly.

(informal) To behave in a brave or stoic manner.

(US, dated, slang, transitive) To gain a great advantage over (someone).

To trick or delude someone.

present participle of put foot to ass

(literally, idiomatic, slang, mildly vulgar) To beat the shit out of someone or something; whoop (someone's) ass