geggie

A host of Scottish insults were also submitted by members of the public, from “bam”, defined as a foolish, annoying, or obnoxious person, as in the pronunciation from Aberdeen: “Awa ye ham, Yer mither’s a bam”, to “geggie”.

Meaning mouth, geggie is frequently used in “shut your geggie”, said the OED, which found the earliest evidence of its use in William Miller’s 1985 short story Andy’s Trial: “‘Good fur you, wee Andy!’ shouted his grandmother.

‘Mah dear wumman,’ he said patiently, ‘will ye kindly shut yer geggie?’