golly, v. — Green’s Dictionary of Slang

golly v.

[? Scot. golly, to shout hoarsely; ult. Scot. gollar, to utter loud but thick and scarcely articulate sounds, to shout]

(Aus.) to spit; thus golly-gum, chewing gum; golly-pot, a spittoon.

1913		Catholic Press (Sydney) 4 Dec. 46/2: Mr. Benson’s own method is to write the whole discourse, and then ‘golly’ it out with what emphasis and vehemence he can muster.
1941		Baker Popular Dict. Aus. Sl.
1978		D. Hutley Swan 48: He drew back from the nose and brought up from the chest and gollied out into the rain [GAW4].