Gangling means tall, thin and loose-limbed. A gangling youth, gangling and awkward, all gangling arms.
It belongs to adolescents above all, where the limbs have grown faster than the coordination. Gangly is the commoner form now and means exactly the same thing.
1adjectiveganglingTall, thin and loose-limbed.
“A gangling teenager with long arms folded himself into the back seat of the car.”
gangling is a build.
Perhaps from a dialect word gang, to walk, with cognates in Swedish.
Built from
Perhaps from gangle, from the dialectal gang (“to go, to walk, to proceed”). Compare Swedish gänglig.
Etymology from Wiktionary, CC BY-SA