sketch, v.² — Green’s Dictionary of Slang

sketch v.²

1. (US campus, also sketch out) to feel unstable or confused.

1997–2001		Online Sl. Dict. 🌐 sketch v 1. to act excessively nervous, especially while on marijuana. (‘The cops aren’t coming, quit sketching.’).
2003		Eble Campus Sl. Nov. 6: sketch out – make someone feel uncomfortable or in danger: The roaches at that party last night sketched me out.

2. (US drugs) to experience the after-effects of amphetamines.

1989, 1998		implied in sketched out
2001		ONDCP Street Terms 19: Sketching — Coming down from a speed induced high.

sketched out (adj.)

1. (US campus) bad, bizarre, weird.

1989

P. Munro Sl. U.

2. (US drugs) suffering paranoia due to the effects of hallucinogenic or other drugs, e.g. cocaine.

1989		P. Munro Sl. U. 172: sketched out to be paranoid; to be having a bad trip, freak out.
1998		C. Fleming High Concept 120: J.R. found Kaelin ‘very sketched out’ – nervous, jumpy.