(slang, chiefly, Northern California) Very cool .
(slang, chiefly, Northern California) Very cool .
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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(slang, chiefly, Northern California) Very good.
Northern California slang meaning exceptionally good — an intensified mashup of the Bay Area's beloved all-purpose amplifier 'hella' and 'good'. If something is hellagood, it's not just nice, it's thoroughly, emphatically excellent. The term captures the laid-back enthusiasm of NorCal speech, where hella operates like 'really' or 'very' but with way more personality. Widely used from the Bay to Sacramento, it's the region's flavourful upgrade on 'awesome'.
(slang) Remarkable, unbelievable, unusual.
(slang) Cool; awesome; all right.
(slang) Tremendous; terrible.