-t̲s̲ul ha:a'a            V

to fidget, be unable to sit still

[∅-'a < 'ai₁ «class-sdo-c»]  Imperfective Affirmative  Continuous  Class: sdo-c

This literally means ‟something is sticking out of X's ass”, so the ‟subject”, the one who fidgets, is marked by possessive prefixation of -t̲s̲ul ‟ass, anus”.

vulgar