kick back

Short definition from Wiktionary

Verb

1. 1
   To relax; to laze.
2. 2
   To pay part of the proceeds of a transaction to a person or organization that mediated it, often in a way that is covert, improper, and illegal.
3. 3
   To return (something) to its original or rightful owner.
4. 4
   To drink (something).

Noun

1. 1
   Nonstandard spelling of kickback.
2. 2
   Alternative form of kickback.