Kickback

[Sonia]

a get-together consisting of close friends, partying and drinking.

[Mark Zuckerberg]

To have close friends get together at someones house in a party-like situation without calling it a party.
Kickbacks have one simple rule. They are not parties. No illegit friends of friends of friends showing up empty handed and emptying your fridge.
Kickbacks are the stress free versions of parties where the host doesnt have to worry about shit breaking or cops being called.

[Sonia]

a bribe, usually from a someone in business/private sector to someone in government/politics, to either look the other way or to allow the business person to carry on with an unscrupulous venture.

[Justin Bieber]

always hosted at an individuals house, a kickback consists of friends getting together to engage in party activities such as drinking etc., without the hassle and drawbacks of a big party. although an invite verbal or otherwise is not necessary it is understood that a kickback is friends only and is not to exceed 20 or 30 persons. a good option for those not wishing to get their house trashed. not to be confused with a party or rager.

[Merna]

Relax or enjoy oneself.

[Zipporah Schumaker]

A sudden forceful recoil.

[Marquetta]

The [hick] name of a small party often used in places like [Tuscon], [Arizona].

[Raeanne Dimick]

[to chill out]. [take a breather]. [relax]

[Sommer]

a [party], usually involving [a lot] of [drinking].

[Renato]

Noun: a synonym for party. Origin- probably [North] [San Diego] [County], California.

[Merna]

an amount of money that is paid to someone illegally in exchange for secret help or work