How To Use Punching bag In A Sentence

It's like the music in the movies where the hero is training for greatness; sparring in a basement with a punching bag or running like the wind or something.
It was more like an extension to Pat's bedroom, with a drum kit, spare computer, a few amps and our sound deck, a punching bag, and a sofa.
The punching bag lay in a thousand blackened pieces on the floor, material and stuffing scattered everywhere.
he resigned because his boss used him as a punching bag
Sanchez saw Stewart as some type of well connected non-working class guy who did not appreciate how difficult it was for Sanchez to succeed, in a world where the number of nationally seen Latino news anchors is now zero, in a world where Latin American immigrants are just a step below Muslims in being political punching bags from the right. James Love: Jon Stewart Spikes the Ball, But Misses the Moment

After all, they are the original pecking-order punching bags, the bottom-of-the-esteem-food-chain freaks who are universally seen as smelling of mimeograph toner, body odor, and old corn chips.
She wandered over to one of the punching bags and ran her fingers along the vinyl material softly, her fingertips just barely grazing the cold surface.
He's introduced on stage, where amidst the dancers he stands at the end of a row, sparring with a punching bag.
This woman became the national punching bag with the likes of David Letterman, being just one more batterer. Palin ally: 'Life is not happy for her' right now
I yelled too loud, but I was sore, angry and tired of being used as a large punching bag by a spoiled four-year old.