Definitions
1.nounAn idiosyncrasy; a slight glitch, mannerism; something unusual about the manner or style of something or someone"The car steers cleanly, but the gearshift has a few quirks."
2.nounAn acute angle dividing a molding; a groove that runs lengthwise between the upper part of a moulding and a soffit
3.nounA quibble, evasion, or subterfuge.
4.verbTo move with a wry jerk."He quirked an eyebrow."
5.verbTo furnish with a quirk or channel.
6.verbTo use verbal tricks or quibbles