Green’s Dictionary of Slang

ganting n.

[SE gant, yawn or gape, thus a mouth hanging open]

(Scot.) begging (for).

[Scot]I. Welsh Filth 150: It was a bit of a waste though: tidy fanny ganting on it.
[Scot]I. Welsh Glue 98: Ah’m fuckin well in thaire, ah goes, — She’s fuckin well gantin oan it.
[Scot]I. Welsh Decent Ride 272: Ah’m gantin oan fresh minge.