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