Green’s Dictionary of Slang

schwag adj.

[schwag n. (1)]

(US campus) second-rate, inferior, bad.

[US]Da Bomb 🌐 25: Schwag: Bad; terrible; no good.
[US]College Sl. Research Project (Cal. State Poly. Uni., Pomona) 🌐 Schwag (adj.) Bad; stupid; lame; boring.