ungracefully tall and thin tall and thin and having long slender limbs; "a gangling teenager"; "a lanky kid transformed almost overnight into a handsome young man
Gangling is used to describe a young person, especially a man, who is tall, thin, and clumsy in their movements. His gangling, awkward gait has earned him the name Spiderman. his gangling, bony frame. unusually tall and thin, and not able to move gracefully = lanky (Perhaps from gangrel (14-20 centuries))