nuts to butts adjective 2adverb 2forms 2 adjective2 •(slang) Arranged in close formation, one behind the other; nose to tail.There was a Marine in front of Puller, then Puller, and myself. We were nuts-to-butts, so to speak, and that Marine tripped a booby trap. — 1994 •(slang) Tightly crowded, packed.The Angels’ current facilities, Sliwa emphasized, are “ ‘sardinelike’ or, to use the street euphemism, ‘nuts to butts.’ Females who have visited felt uncomfortable.” — 1994 adverb2 •(slang) Closely one behind the other.I’m a bastard jewboy in the promised land with a big hairy ass and a pocket full of sand livin’ nuts to butts and asshole to bell — 1984 •(slang) Crowdedly, tightly, compactly.“When I got down there they already had about 20 crazy fuckers packed together nuts to butts in the same cell smellin’ like fart. I was like, get me the fuck outta here.” — 2008 formsmore nuts-to-butts · most nuts-to-butts