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

marinate v.²

[pun on SE marinate, to pickle or tenderize in wine and vinegar, herbs and spices]

(US teen) to idle, to loaf; thus marinating, idling, ‘hanging out’.

1996		Nas ‘If I Ruled the World’ 🎵 Wait, I had to let it marinate we carry weight / Tryin to get laced, flip the ace stack the safe.
1999		Indep. Rev. 8 June 4: Current American youth slanguage, courtesy Details. Marinate: relax.
2000		Hip-Hop Connection Jan./Feb. 55: Marinate. To max, relax, cool out and chill.
2004		Eble Campus Sl. Apr. 4: marinate – relax while slowly consuming alcohol.