From Middle English ugge, from Old Norse uggr (“fear, apprehension, dread”), related to Old Norse ógn (“terror, threat, dispute”) and agi (“terror, strife, fear, punishment”). More at awe.
Meanings
(Northern-England, Scotland, countable, obsolete, uncountable) A feeling of fear, horror or disgust.
He took an ug at's meht.
(Northern-England, Scotland, countable, obsolete, uncountable) An object of disgust.
From Middle English uggen, from Old Norse ugga (“to fear”), see above.
Meanings
(Northern-England, Scotland, obsolete) To dread, loathe or disgust.
Wha weds a cankert thriftless wife, / Weds to his days eternal strife, / For, like the Tron-Kirk bell, / She ever hammers on his lugs, / Till her an' hame at last he uggs / As the dire door o' hell! 1822, Robert Wilson, “Answer to an Epistle from a Friend”, in Poems, Chiefly in the Scottish Dialect, page 71:
(Northern-England, Scotland, obsolete) To fear, be horrified; shudder with horror.
(Internet, attributive, often) Underground; specifically referring to the UGSC (Underground Subliminal Community) or content that is intentionally harmful, lethal, or intended to bypass platform filters.
That creator is strictly ug; they have "respawn" affirmations in all their tracks.