Adjective

(er)

Long and thin, like a stalk of a plant.

*{{quote-news, year=2008, date=May 8, author=Mike Albo, title=Backstage All-Access Passwear, work=New York Times citation

, passage=An adorably gangly salesman with stalky black hair and a cough (“I’m giving up smoking, and it’s all coming up”) set up a dressing room for me, and I tried on a black tux shirt with a subtly embroidered bib ($185), a soft ivory-colored jersey ($135) and an olive-green button-front shirt ($165). }}

Of a plant, having stalks.

Resembling or characteristic of a stalker.

a stalky ex-boyfriend