present participle of do in

A deed or action, especially when somebody is held responsible for it.

present participle of do

The sound made by an elastic object when struck by or striking a hard object.

plural of doing / regular activities / social events / (Australia, vulgar, dated) sewage.

present participle of do it

(US, colloquial, usually childish) Excrement, feces, dung.

plural of do do

Back to back.

A move in square dancing in which two dancers face each other, then step forward and left until they have right shoulders adjacent, then move to a position where they are back to back, then move to have left shoulders adjacent, then return to facing each other.