hooky, n.³ — Green’s Dictionary of Slang

hooky n.³

also hookey

(US) truanting.

1907		Frankfort Roundabout (KY) 2 Mar. 1/2: He has concluded that hookie is the correct thing, with a fishing pole swung on his shoulder [...] headed for the pond.
1949		J.H. Burns Lucifer with a Book 110: They followed a pattern [...] set up by traditions of hookey and Mark Twain.
1967		in S. Harris Hellhole 118: ‘Hooky’ was her [...] favorite game during the school months.
1998		D. Senna From Caucasia, With Love (2000) 78: It wasn’t a day of hooky. She had something planned.

hooky house (n.)

(US teen) anywhere that teenagers gather outside the supervision/control of their parents.

2003

A.N. LeBlanc Random Family 5: The two friends were known at the hooky house on Crotona.

hooky party (n.) (also hooky jam)

(US black) a daytime party held when the teenage guests should have been in school.

1994		N. McCall Makes Me Wanna Holler (1995) 95: We threw ‘hooky parties’ at Bimbo’s crib.
1999		E.C. Schneider ‘Drugs, Politics and Gangs 1960–1975’ Vampires, Dragons, and Egyptian Kings: Youth Gangs in Postwar N.Y. 🌐 One Bronx youth, a member of a graffiti writers group, recounted an invasion of a ‘hooky party’ (a party held during school hours).
2002		Source Apr. n.p.: 🌐 For the next 60 minutes, he will be approached by every single person who walks by: the older heads roaming around looking for a supplier, high school kids probably en route to a hooky party and young men who obviously don’t have a 9-to-5.
2023		Rayman & Blau Riker’s 236: I would go to ‘Hooky Jams,’ hooky parties in the daytime, when someone’s mother was working. I was definitely not going to school.