definition of
gimmick

[1] #1 gimmick n. [catch] a drawback or difficulty that is not readily evident; "it sounds good but what's the catch?". wn

[2] #2 gimmick n. [doodad, doohickey, doojigger, gizmo, gismo, gubbins, thingamabob, thingumabob, thingmabob, thingamajig, thingumajig, thingmajig, thingummy, whatchamacallit, whatchamacallum, whatsis, widget] something unspecified whose name is either forgotten or not known; "she eased the ball-shaped doodad back into its socket"; "there may be some great new gizmo around the corner that you will want to use". wn

[3] #3 gimmick n. [device, twist] any clever maneuver; "he would stoop to any device to win a point"; "it was a great sales gimmick"; "a cheap promotions gimmick for greedy businessmen". wn