散らかしっぱなし

left scattered, left in a mess

noun Rare #40,814
left scattered, left in a mess Colloquial; describes leaving things untidied.
JA: 服を床に散らかしっぱなしにしないで。
EN: Don't leave your clothes scattered on the floor.

散らかしっぱなし

Leaving things a mess.

— 花様年華 (2000)

弟の部屋は散らかしっぱなしにしてある。

My younger brother's room has been left in a mess.

浴室を散らかしっぱなしにしないで。

Don't leave the bathroom messy.