originating from the Gaelic word fang for a sheepfold, to fankle someting is to tangle it as in the wool got fankled and stopped me from knitting. As a noun, it can also be a state of confusion Dinna get yourself into a fankle.
FANKLE
Meaning of FANKLE in English
Scottish slang English vocabulary. Английский словарь шотландского сленга. 2012