blossoming onion

when ones asshole appears to have turned inside out and hangs hangs out from over exhurtian due to anal sex or over lifting or really big shits

"Yo dude i gave sally a mean blossoming onion when i fucked her ass for 3 hours then slapped her in the gut."

by MCNEEL February 28, 2008

onion blossom

When a girl has a huge sweet ass but the smell is so bad it brings tears to your eyes.

That girl had a sweet turd cutter but the bitch had an onion blossom.

by AWetFart March 20, 2017