gimmick gimmick /ˈgɪmɪk/

noun

1. Any clever maneuver  ( gimmick , device , twist )
   any clever maneuver
    He would stoop to any device to win a point
   he would stoop to any device to win a point
    It was a great sales gimmick
   it was a great sales gimmick
    A cheap promotions gimmick for greedy businessmen
   a cheap promotions gimmick for greedy businessmen
   
2. Something unspecified whose name is either forgotten or not known  ( doodad [Informal, N. American] , doohickey [Informal, N. American] , doojigger , gimmick , gismo [Informal] , gizmo [Informal] , gubbins [Informal, British] , thingamabob [Informal] , thingamajig [Informal] , thingmabob [Informal] , thingmajig [Informal] , thingumabob [Informal] , thingumajig [Informal] , thingummy [Informal] , whatchamacallit [Informal] , whatchamacallum , whatsis [Informal] , widget , dingus [Informal, N. American] , dojigger [Informal, N. American] , doobrie [Informal, British] , doobry [Informal, British] , doodah [Informal, British] , doofer [Informal, British] , doover [Informal, Australian] , thingamy [Informal] , thingo [Informal, Australian] , thingy [Informal] , whatsit [Informal] )
   something unspecified whose name is either forgotten or not known
    She eased the ball-shaped doodad back into its socket
   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
   there may be some great new gizmo around the corner that you will want to use
   
3. A drawback or difficulty that is not readily evident  ( gimmick , catch )
   a drawback or difficulty that is not readily evident
    It sounds good but what's the catch?
   it sounds good but what's the catch?