punchy

Short definition from Wiktionary

Adjective

1. 1
   Having a punch; effective; forceful; spirited; vigorous.
2. 2
   Involving or resembling a punch with the fist.
3. 3
   Punchable; punchworthy.
4. 4
   Behaving or appearing punch-drunk, reacting poorly.
5. 5
   Of groomed snow: unable to support the weight of a skier, especially when the skier’s weight is all on one ski, resulting in a ski punching through the surface of the snow.
6. 6
   Short and thick; fat; paunchy.