Green’s Dictionary of Slang

skank v.

also scank
[Allsopp, Dict. Caribbean English Usage (1996), suggests the dance style is ‘derived from the kind of hip-swinging dancing which is both typical of people of generally low social status and reminiscent of the waist movements of a motorcyclist speeding in and out of other traffic’]
(orig. W.I.)

1. to dance in a style associated with ska, dub or reggae music (and latterly drum and bass); thus skanking n. and adj.; skanked out, exhausted (by energetic dancing).

[WI]Wailers ‘Dancing Shoes’ 🎵 We’re goin’ skankin’ all night long / Just as long as they play our song.
[WI]E. Brodber Yards in the City of Kingston 42: The music is reggae or ska and can be danced to as a waltz or skanking.
Morn. Call (Allentown, PA) 5 Feb. 73/1: Eric Vosikkinen started pumping it out, the SRO crowd skanked their hearts out.
Prlando Sentinel (FL) 5 Apr. 74/2: I’m starting to feel skanked out [...] It’s getting stuffy in here.
[UK]Guardian Guide 12–18 June 31: Expect the usual come-as-you-are vibe and skanking party mayhem.
[US]Hip-Hop Connection Jan. 74: For that special easy skankin’, rudebwoy new year party, get some reggae, soul and funk.
hubpages.com ‘Roadman Slang 4 Jun. 🌐 Skanking/cutting shapes - the act of dancing energetically to drum and bass music.

2. in fig. sense, to move rhythmically.

[UK](con. 1979–80) A. Wheatle Brixton Rock (2004) 39: A broken swing skanked in the chilly breeze.

3. to steal and run away; to rob.

[UK]L. Kwesi Johnson ‘Yout Scene’ in Mi Revalueshanary Fren (2002) 3: But de breddah dem a scank; / dem naw rab bank.
[UK]R. Hewitt White Talk Black Talk 130: ‘Skank’ – meaning to dance and to steal or act fraudulently.
[UK]N. Barlay Curvy Lovebox 34: Just in case some fucker skanks his three clipper lighters.
OnLine Dict. of Playground Sl. 🌐 skank n. [...] 2) marijuana. e.g. ‘Did you skank my skank?’.
[UK]N. Griffiths Stump 61: —I thought yeh were gunner skank the place there an fuckin then!
[UK]J.J. Connolly Viva La Madness 157: You don’t come to London to collect three mill on your own ... Not unless you’re skanking someone.

4. to use deception to get one’s way.

[US]Eble Campus Sl. Fall 4: skank – to obtain by devious means; to happen upon something good undeservedly [...] I skanked some of my little sister’s albums.
[UK]J. Niven Kill Your Friends (2009) 36: Banging on about royalty uplifts, or trying to skank you for a few extra points.

5. to loaf around.

[UK]J. King White Trash 168: Walls covered in thick graffitti [...] massive trainers on skanking white kids.
[Aus]L. Redhead Cherry Pie [ebook] [N]ot really knowing what to do with myself when I wasn’t taking my clothes off for a living or skanking around wheelie bins.

6. (US campus) to observe members of the opposite sex.

[US]Eble Campus Sl. Oct.
[US]Eble Campus Sl. Apr.

7. (UK black) to play truant.

[UK]N. Barlay Curvy Lovebox 11: Skank off school an’ go up the West End or som’ing.
[UK]N. Barlay Crumple Zone 2: The flakiest all-in under-sixteen bullshitters ever to skank off school and munch out on junk food.

8. to cheat, to ‘stab in the back’.

[UK]M. Amis London Fields 179: Catastrophic welshings and skankings that caused low whistles even among Keith’s acquaintances.
[UK]London Posse ‘Original London Style’ 🎵 Some gangster’s gonna skank ya.
[UK]J.J. Connolly Layer Cake 9: Someone [...] says they can pay their bills, ain’t gonna be skanking anybody.