Green’s Dictionary of Slang

doughy adj.

[the ‘thickness’ of dough]

1. (Aus., also doughey) stupid; thus doughy over, in love with, ‘mooning over’.

[Aus]Bulletin (Sydney) 23 Nov. 20/2: The Bulletin, wearied by half-baked, doughy Tories, with no crust on them, welcomes with joy any utterance from the genuine article like Henry Scotland.
[Aus]K. Tennant Foveaux 24: Tommy had caught one of the buns the cooks were throwing to the crowd. ‘Here you are, doughey.’.

2. see in the dough under dough n.