No definitions found for 'go great guns'
Perhaps one of these:
geshurites,
gigartinaceae,
gosherd,
geezerhood,
gujerat,
gizzard shad,
gagwriter,
geyserite,
go-kart,
gujerati,
gauge rod,
gozzard,
gager del ley,
go-cart,
gocart,
gujarat,
gag order,
gujarati,
gizzard,
gigahertz,
geiger tube