helluv contraction 3adverb 2adjective 1exclamation 1 contraction3 •(informal) Elision of "hell of".Oh, you goddam-betcha, Julie, it's one helluva lot better — one HELLUV A lot better — to be born dirt-poor. Course then you get to stay that way the rest of your life. — 1977 •(informal) Elision of "the hell of".“Helluv it is,” he grumbled. “I was thinking of marrying her myself. Wrote her a letter, but it didn't get posted in time.” — 1997 •(informal) Elision of "hell have"Where the helluv you been? — 1973 adverb2 •(slang) Intensifier (modifies verbs); to a large extent; totally; very much.Dude, I helluv want to go to the show with you, but I'm soooo grounded. •(slang) Intensifier (modifies adjectives); to a large degree; extremely; exceedingly.That new girl is helluv sexy. adjective1 •(slang) Intensifier, signifies an abundance of a thing; much or many.Hey, if you guys get the munchies, there's helluv candy in the cupboard. exclamation1 •(slang) For sure; totally; hell yeah; used as a strong affirmation of something that was just said, accomplished, or revealed."Hey, you wanna come to the concert tonight?" "Oh, helluv!"