backside
back-side
noun
The buttocks or rear part of a person's body, often used informally.
"He landed squarely on his backside."
Thesaurus
Synonyms: back end, rear, behind, fanny, prat, bottom, rump, tail, butt, stern, ass, tush
back-side
The buttocks or rear part of a person's body, often used informally.
"He landed squarely on his backside."
Synonyms: back end, rear, behind, fanny, prat, bottom, rump, tail, butt, stern, ass, tush