1) Barb 2) Barbed remark 3) Bon mot 4) Caustic retort 5) Clever comeback 6) Clever remark 7) Comment 8) Good insult 9) One-liner that stings 10) Remark 11) Sharp line 1) Barb 2) Mot 3) Retort 4) Riposte 
A ball hit high and hard.
A retractable string clip used to connect tools to ones fly vest.
Zinger is American slang for something outstandingly good.
Refers to a hard-hit line drive base hit
noun a striking or amusing or caustic remark; `he always greeted me with a new zinger`; `she tried to think of some killer of an argument, a real zinger that would disarm all opposition`
slang for a retractable device. Useful for hanging items such as nippers off your vest to keep them out of the way when not in use.
a quick, witty, or pointed remark or retort: During the debate she made a couple of zingers that deflated the opposition. · a surprise, shock, or piece of electrifying news: The President's resignation was a real zinger. · a person or thing that has vitality or animation or produces startling results.