The initial idioms of the letter G

get up an appetite	get up (one's) nerve (to do something)
get-up-and-go	get up nose
get up off	get up on hind legs
get up	get up to
get up with the chickens	get used to (someone or something)
get well	get wet
get what's coming (to one)	get what's coming to one
get while the gettin’s good	get while the gettin 's good
get while the getting’s good	get while the goin’s good
get wise to	get wise to (someone or something)
get with	get with it
get with someone	get with the program
get with the times	get wrong
get you?	Get your ass over here!
get your bait back	Get your buns over here!