The Collaborative International Dictionary
kick back \kick` back"\, v. t. To pay (a kickback); as, they kicked back five percent of the sales price.
Kick \Kick\, v. i.
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To thrust out the foot or feet with violence; to strike out with the foot or feet, as in defense or in bad temper; esp., to strike backward, as a horse does, or to have a habit of doing so. Hence, (figuratively): To show ugly resistance, opposition, or hostility; to spurn.
I should kick, being kicked.
--Shak. To recoil; -- said of a musket, cannon, etc.; also called kick back.
(Football) To make a kick as an offensive play.
To complain strenuously; to object vigorously.
To resist.
kick back \kick` back"\, v. i. To recoil; -- of guns and machines.
Wiktionary
vb. (context idiomatic English) To relax.
WordNet
Usage examples of "kick back".
And if I'm not allowed to do that, when am I supposed to get a chance to kick back?
A place where they could have a farm, maybe grow some weed on an acre or two, kick back in the lamplight and look at the stars.
I can kick back, watch the movie and wait you out, because sooner or later you'll tell me what I want to know.
After tugging the socks on, she downed a couple of aspirin to kick back the headache that was just beginning to stir.
Which was just as well, he thought, as it didn't look like there were going to be a lot of opportunities to kick back with that cold beer and watch any fireworks.
Then it shouldn't surprise you that, hey, sometimes a joker will kick back one way or another.