Leptosomatic

Full definition of leptosomatic

Adjective

1. Tall and thin.
• 1996, David Foster Wallace, Infinite Jest, Abacus 2013, p. 79:It's possibly odd that the leptosomatic Mario I., so damaged he can't even grip a stick, much less flail at a moving ball with one, is the one kid at E.T.A. whose company Schtitt seeks out ….