A contraction of the contaction Haven't.
by CrompaWompWomp August 15, 2011
A way Yorkshires say haven't or have not. It is used as the dialect and accent typically shorten down words for easier pronunciation due to way Yorkshires pronounce words. It is said with a Yorkshire Accent and is very easy to interpret when engaged in a conversation.
by The Dank Meme July 16, 2019