nuts to butts

== English == === Alternative forms === nuts-to-butts (adjective) === Pronunciation === === Adverb === nuts to butts (not comparable) (idiomatic, slang) (originally military, chiefly of people) Closely one behind the other. [from 1980s] (by extension) Crowdedly, tightly, compactly. === Adjective === nuts to butts (not comparable) (idiomatic, slang) (chiefly of people) Arranged in close formation, one behind the other; nose to tail. [from 1990s] Tightly crowded, packed. [from 1990s]