thumb

[1]	hitchhike , hitch
[2]	flick , flip , riffle , leaf , riff
[3]	finger , hitchhike , (Colloq) hitch , (US) hook a ride
[4]	thumb through , leaf (through) , flick/flip (through) , riffle (through) , skim (through) , browse (through)
[5]	thumb (one's) nose at , scoff at , deride , jeer at , mock , dismiss , scorn , flout , be contemptuous of , show contempt for , exhibit defiance for , be defiant of , contemn , (Brit) cock a snook at

[1]	(Technical) pollex , pollex
[2]	all thumbs , awkward , clumsy , maladroit , (Colloq) butter-fingered , ham-fisted , cack-handed
[3]	give (something) the thumbs down/turn thumbs down (on) , ovolo , quarter round , disapprove (of) , reject , rebuff , turn down
[4]	turn/give thumbs up (to) , approve (of) , accept , welcome , (Colloq) OK/okay
[5]	under (one's) thumb , under (one's) control , wrapped (a)round (one's) little finger , in the palm of (one's) hand , eating out of (one's hand) , at (one's) beck and call