jibhead noun3 •A piece of iron at the head of a jib (triangular staysail).For instance there can be no disputes nor discourses about the superiority of the jibhead sail plan with its permanent backstay over the old fashioned gaff-head main sail. — 1950 •(slang) A user of jib (crystal methamphetamine); a methhead.‘[…]Every jibhead from here to Timbuktu’s gonna want a taste.’ — 2018 •The head of a jib (arm of a crane). formsjibheads