plural of pain in the butt

(weightlifting) An error while performing a squat of bending the lower back and moving the pelvis in under the body.

(US, slang) A soreness or rash around the buttock area, resulting from a long period of sweaty activity such as running or cycling.

plural of butt bag

plural of half butt

(snooker) An extra long snooker cue and bridge used to reach the cue ball when at the far end of the table.

plural of butt spike

plural of butt wink

plural of butt pad

(firearms) A piece of padding placed on the butt of a gun for comfort and to absorb recoil.