Also found in: Dictionary, Wikipedia.

one hell of a (something or someone)

1. An exceptionally good, exciting, or interesting thing or person. Marty sure is one hell of a guy, always willing to lend his friends a hand! Two cars for the price of one? That's one hell of a deal!
2. An exceptionally bad or difficult thing, activity, or person. This is one hell of a math assignment—I can't understand the first thing about it! Boy, that is one hell of a haircut. You're going to go out in public like that?
See also: hell, of, one

a hell of a someone or something

 and a helluva someone or something 
1. Inf. a very bad person or thing. (Use caution with hell.) That's a hell of a way to treat someone. He's a hell of a driver! Watch out! 2. Inf. a very good person or thing. (Use caution with hell.) He is one hell of a guy. We really like him. We had a helluva good time.
See also: hell, of

a (or one) hell of a —

used to emphasize something very bad or great. informal
1990 Stephen King The Stand If someone on the committee has been leaking, we're in a hell of a jam.
See also: hell, of

hell of a someone/something

and helluva someone/something
1. n. a very bad person or thing. (Use caution with hell.) That’s a hell of a way to treat someone.
2. n. a very good person or thing. (Use caution with hell.) He is one helluva guy. We really like him.
See also: hell, of, someone, something

helluva someone/something

References in periodicals archive ?
Owens wanted to put insult to injury after the match as he tried to Pedigree Zayn, but Rollins made the save, hitting the Prizefighter with a flying knee before Zayn got revenge on Owens with another Helluva Kick.
When all is said and done, one of the things I hope will come out of my life is that my peers will say 'You know, that Watson, he was a helluva player'.
Those crazy European guys, they really know how to have one helluva a crazy time.
For all his real-world experience and in-depth knowledge of vitamins, natural health products and nutraceuticals (foods with health or medical benefits), Deline admits the job poses "a helluva challenge" to move NOCI from a concept to a functioning organization with a marketing roll-out anticipated for mid-2007.
So it was somewhat of a surprise when we sat down to talk about the 2006 Diesel Progress Newsmaker of the Year, we started throwing names, and ideas and candidates around, and when we were done, said "wow, that's a helluva list.
I guess a good fascist murderer like Alfredo Stroessner was a helluva lot colorfuller than ol' Fidel.
Quicker than you can say "Your boys are taking a helluva beating Maggie Thatcher" Mabasa was in Norway at great expense.
I set top 25 as my target at the start of the year - and that was asking a helluva lot of myself," he said Only Michael Campbell and Retief Goosen can deny Montgomerie a record eighth Order of Merit crown and neither is playing in Madrid or at next week's Majorca Classic
At a unit price of $80 million that's one helluva expensive way to maintain
As I sit in my hut in the middle of the King Country (of course on the Avenue) I think to myself, you have a helluva responsible job, haven' you?
All Gramps can say about that is it's a helluva way to run a railroad.
It's a helluva lot easier to talk about something than do it, plus I instantly forgot every idea I ever had.
Maybe someday we will see eye to eye and I will be able to say--January, you're a helluva man, and I'm enriched to know you.
He was a helluva guy, a great editor and a wonderful boss.
38 Super is a helluva cartridge and very popular here in South Texas.