Green’s Dictionary of Slang

fish-faced adj.

also fishface
[fish-face n.]

stupid- or ugly-looking.

[UK]Tamworth Herald 26 Dec. 3/6: ‘Sakes! There’s that fish-face guy rubbering us!’.
[UK]‘Sapper’ Female of the Species (1961) 90: Fish-faced Lizzie.
[US]L. Berg Prison Nurse (1964) 43: He thought, what a break, after all those fish-faced dames we had as nurses.
[UK]Wodehouse Mating Season 132: To the extent of making him look anything but a fish-faced gargoyle.
Astrozine 🌐 By the time mighty Mars squares mystic Neptune, you’re so sick of their complaints (pots and kettles, little fish-faced miseries, pots and kettles) that you spike the coffee with drugs to anaesthetize them all.