shrimpy

/ˈʃrɪmpi/
adjective
  1. Small or weak in size or build, often used in a mildly teasing way.
    • He was a shrimpy kid, but he made up for it with his loud voice.
    • The shrimpy puppy was the last one picked from the litter.
    • Don't let his shrimpy appearance fool you; he's a great basketball player.
Antonyms