look up any word, like ratchet:
 
1.
To be 'raging', or drunk/unreasonably angry all the time
"omg, she was like, totally byres"
by mouldy pigeon August 02, 2008
 
2.
A Typo of the word bye
Friend: Okay byre
Me: Byre?
Friend: I meant bye
by TYPO August 04, 2012