keister

he fell on his keister while ice skating.

don't sit on your keister all day; go for a walk!

she laughed so hard that she almost fell on her keister.

he has a sore keister from the long bike ride.

after the fall, he rubbed his keister to ease the pain.

she told him to get off his keister and help with the chores.

he landed right on his keister during the game.

don't be a lazy keister; join us for the hike!

she slipped and landed on her keister in the mud.

after sitting on my keister for hours, i needed to stretch.