quip (n.) Look up quip at Dictionary.com
1530s, variant of quippy in same sense (1510s), perhaps from Latin quippe "indeed, forsooth" (used sarcastically), from quid "what," neuter of quis "who" (see who, and cf. quibble (n.)) + emphatic particle -pe.
quip (v.) Look up quip at Dictionary.com
1580s, from quip (n.). Related: Quipped; quipping.