Green’s Dictionary of Slang

chill (out) v.

1. (US Und.) to get rid of the victim once the confidence game has reached its climax and he has been robbed.

[US]D. Dressler Parole Chief 239: This is known as ‘chilling out the mark’ once the ‘score’ has been taken.
[US]W. Keyser ‘Carny Lingo’ in http://goodmagic.com 🌐 Chill — To get the mark to leave ("He was getting rangy, so I chilled him.") Or to isolate the mark from his friends using your sticks (secret assistants).

2. (orig. US) to calm down, to control one’s emotions, to relax, to act ‘cool’; often as imper.

[US]‘Iceberg Slim’ Pimp 119: The chicken-hearted bastard had been chilled by those awful grey orbs.
Sugarhill Gang ‘Rapper’s Delight’ 🎵 A time to break and a time to chill, to act civilized or act real ill.
[US]Afrika Bambaataa ‘Zulu Nation Throwndown’ 🎵 Why don’t you chill out, just give me a play.
[US]G. Wolff ‘A Day at the Beach’ in A Day at the Beach (1992) 132: ‘Chill out,’ Nicholas said.
[US] Ice-T ‘Drama’ 🎵 Now I’m in the penzo, chillin’ like a real pro.
[US]M. Myers et al. Wayne’s World [film script] wayne: It’s okay. russell: Chill.
[US]Tarantino & Avery Pulp Fiction [film script] 115: Chill the fuck out, Jules.
[US]T. Udo Vatican Bloodbath 61: Today’s my fun day, my I-don’t-have-to-fucking-run-day! Time to chill, motherfucker!
[US](con. 1975–6) E. Little Steel Toes 109: Chill out, dog, you don’t want no motherfuckin’ heroin.
[US]G. Pelecanos Night Gardener 247: You ought to chill before you roll up there.
[US]L. Berney Gutshot Straight [ebook] ‘You need to chill out, brother’.
Ray Blk ‘Chill Out’ 🎵 You’re makin’ a big deal / Of nothing, you should chill out.
[Aus]G. Gilmore Base Nature [ebook] ‘Bit of nice décor and they might chill out a bit’.
[Ire]Breen & Conlon Hitmen 230: ‘You’re just flying, Joey [...] Just fucking chill out’.
[US](con. 2016) in J. Fenton We Own This City 181: ‘You need to chill out,’ Gondo said.

3. (orig. US) to pass the time of day, to ‘hang out’; usu. as chillin’ n.

[US] Ice-T ‘Six in the Morning’ 🎵 Possed to the corner where the fly girls chill.
[US]Eble Campus Sl. Mar. 3: chill/chill out – [...] I’m just chillin’ and listenin’ to some music.
[US] Dr Dre ‘Bitches Ain’t Shit’ 🎵 While you’re chillin’, with your homies and shit.
[UK]M. Newall ‘Sir Gawayne and the Grene Knyght’ in Indep. Weekend Rev. 26 Dec. 1: The Kyng’s crewe chilled at Camelot that Krystmas.
[US](con. 1990s) in J. Miller One of the Guys 113: ‘We go to the park and play basketball, come back here and sit, just chill all day jawing’.
[US]G. Tate Midnight Lightning 87: We were chillin’ when one day out of the blue, the doorbell rings.
[US]Eble Campus Sl. Apr. 1: chill (out) – [...] spend time doing nothing: On Saturday I usually chill with my sister.
[US]K. Shea ‘Having Chiqui’ in ThugLit July-Aug. [ebook] [T]hey could hang down in Philly [...] After chilling out for a day or two the both of them could keep going.
[UK]A. Wheatle Crongton Knights 35: Maybe he’s chilling with one of his bredrens?

4. to take a break, to pause.

[US]M. McAlary Buddy Boys 193: ‘Tony and I chilled out after that [warning]. I went away hunting [...]. We stopped taking money from Benny’.
[US]‘Master Pimp’ Pimp’s Rap 1: I’m gonna chill out a minute from playing these funky sounds.

5. (US drugs) by ext. of prev., of a dealer, to work on a street corner or in a bar.

[US](con. 1982–6) T. Williams Cocaine Kids (1990) 104: It is only a matter of time before the dealer has to ‘chill out’ or work on a street corner or in a bar.

6. to calm someone down.

[US]N. McCall Makes Me Wanna Holler (1995) 385: Seeing how hyped and uptight I was, she prescribed some medication to chill me out.

7. of events, to calm down.

[US]Simon & Burns ‘Undertow’ Wire ser. 2 ep. 5 [TV script] He wants you to stop moving cans through our docks. At least until this shit chills.