kelly:man hide the joint here comes anotha donut butt
becky:man all that new girl is a big donut butt
becky:man all that new girl is a big donut butt
by bootycrack girl March 30, 2006
An inflatable ring cushion for old people with bad joints or pathetic losers who crack, chip or bruise their tailbone/butt.
When Brigitte was sent careening down the snowy hill and smashed her tailbone into some rocks at the bottom, she eventually had to buy a butt donut to sit on for 6-8 weeks.
by kittens1236 December 13, 2009