— overdoer , n.
/oh'veuhr dooh"/ , v. , overdid, overdone, overdoing .
v.t.
1. to do to excess; overindulge in: to overdo dieting.
2. to carry to excess or beyond the proper limit: He puts on so much charm that he overdoes it.
3. to overact (a part); exaggerate.
4. to overtax the strength of; fatigue; exhaust.
5. to cook too much or too long; overcook: Don't overdo the hamburgers.
v.i.
6. to do too much; go to an extreme: Exercise is good but you mustn't overdo.
[ bef. 1000; ME overdon, OE oferdon. See OVER-, DO 1 ]