giving him the business 

to show another person "whats up" or "what's happening".
to beat your opponent down in a fight or sport.
to display great skill at something.
to sexually satisfy a girl in bed.
to show her "what's up" or "what's happening".

"I played Bob in a game of Madden last week and was giving him the business. He lost 37-3."

"Ashley and I went out drinking last night. We started fooling around back at her place; next thing ya know I was giving her the business!"

giving him the business by BigDaddyKen March 19, 2009

Giving Him The Business 

In a American football game, it is punching or striking an opponent in the crotch. It is usually done during the pileup after a tackle or the pile after a fumble.

After Mark fumbled the ball, Sean was busy giving him the business.

Giving Him The Business by khalid_king_of_jews September 21, 2015

Givin Em The Business 

v. The action or motion of a father handing the deed of his meat company to his son. Usually during bearded anal sex.

Teddy's papa was givin em the business last night.

Givin Em The Business by rerry January 10, 2008