informal, mainly US the buttocks
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use buns in a sentence
Nowhere else are beef and cheese combined on buns in so many fantastic ways.
Because in a way, man-buns are the greatest threat to conservative culture and ideology.
Hollywood gives the son of god chiseled cheekbones and buns of steel.Diogo Morgado Puts the Carnal in Incarnate, But Was Jesus Really A Babe? | Candida Moss | March 4, 2014 | THE DAILY BEAST
We are interrupted by the arrival of her burger, a gigantic, half-pound slab of beef sandwiched between two shiny brioche buns.‘Family Guy’ Star Alex Borstein Is Ready for Her HBO Close-Up | Marlow Stern | November 12, 2013 | THE DAILY BEAST
The sandwich was a slice of grilled pineapple topped with cheese smushed between two buns.
Whether buns and tea would have been equally effective is a question not now under consideration.The Floating Light of the Goodwin Sands | R.M. Ballantyne
When in doubt you say that,—the white aprons in the one-arm lunch rooms say it now when you kick on the size of the buns.A Hoosier Chronicle | Meredith Nicholson
Men were offering eggs and chickens and fruit for sale upon the street, and bread, as I live, bread in small round loaves or buns.Revolution and Other Essays | Jack London
But there was no kind Sweep to toss her bread and buns each day nor buy her bright red apples or plum cake.The Green Forest Fairy Book | Loretta Ellen Brady
In feeling for his woolen mittens he discovered the buns that Mr. Trail had dropped into his pocket for Bobby.Greyfriars Bobby | Eleanor Atkinson