It means awkward, usually through having limbs that are overlong.

One distinctive feature that has caused a great amount of interest among linguists is what is seen as three degrees of phonemic length in the words long, short, and overlong.

The spelling of the slang word is carmetologist, a play on the word cosmetologist, and intended to mean a woman who fixes her makeup while driving (and most annoyingly, while stopped overlong at a traffic signal or intersection).

His family moved from Ireland to New Zealand, where he joined the army during the Maori War. He was shot in both legs and after an overlong convalesencece was convicted of malingering. To get away from this background he was posted to Melbourne to complete his service.