(n.) A cigarette, (v.) to smoke/go for a cigarette

A word originating at Marlborough College, England, due to a street called Hyde Lane near the school, traditionally used by students to surrepticiously go and smoke tobacco, being contracted to "Hain". The word has since spread to other schools.
"Oi mate, you got any hains?"

(Teacher) "Going for a hain are we??"

(Student) "It's hain o'clock" or "It's about quarter to hain"
by kerblasser12 April 26, 2010
Something that is intense or extreme, often to the point of being almost crazy.
Ed stole Daves quad and drove it down the highway? Thats hain!
by Wayne-The-Hain-Brain-Macklean December 3, 2011
that frustrating combo of hail and rain.

you look outside and it looks like it’s just raining but then you walk outside and get pelted by little balls of ice. such pleasure.
The weather report said it was just going to rain, but I stepped outside and I knew it was hain because every so often instead of a raindrop I could hear ice bouncing off my glasses.
by freakinpuertorican March 22, 2018
Big Guy, Big man, Big so big, at least 7ft tall big. The sexiest man alive Big D. Can shoot 3 pointers with ease, always asks to be in group chats because of "Fomo". Such a big guy.
Person 1: You know Haines?

Person 2: Yeah ofc who doesn't know the biggest and sexiest man alive.
by BigGuyBigMan February 25, 2021
To smoke a cigarette. Origin: Marlborough rude bwoi's mainly nick simmons and harry wills and jasper randall.
by Jasper Randall September 29, 2007
The arch-bitch of Cunterbury.
"Mate, I think I might do something dickish."
"Don't do a Haines."
by Grandaddy Shawaddywaddy October 19, 2011
La Haine - A French film looking at the goings on in a Paris suburban ghetto (starring Vincent Cassel, Hubert Koundé and Saïd Taghmaoui).
by brendan May 31, 2004