pat

pat (http://definr.com/pat)

     adj 1: having only superficial plausibility; "glib promises"; "a
            slick commercial" [syn: glib, slick]
     2: exactly suited to the occasion; "a pat reply"
     n 1: the sound made by a gentle blow [syn: rap, tap]
     2: a light touch or stroke [syn: tap, dab]
     adv : completely or perfectly; "he has the lesson pat"; "had the
           system down pat"
     v 1: pat or squeeze fondly or playfully, esp. under the chin
          [syn: chuck]
     2: hit lightly [syn: dab]