A person’s buttocks.
More example sentences
- He then asked curiously why they always ended up having to go look for the ghosts and get chased while the other characters sat on their heinies.
- To this end, they plan a study where a group of objective observers rate the aesthetics of 500 adult heinies.
- Was the sight of my heinie offensive only to the female eye?
Definition of heinie in:
- The US English dictionary