-An awkward, foolish, or silly person.
-A Scotch term for a tall awkward fellow.
(The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.)
From Scottish Gaelic "gille" & Irish "giolla" - youth + Middle English “gawp” to yawn, gape, to stare at someone or something in a rude or stupid way from obsolete "galp".
Used in a sentence:
“Gerald will never entice Ms. Penistone into courtship so long as he remains such a cack-handed gilly-gaupus.”
From The Grandiloquent Mercantile:
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