punch·y 
(pŭnchē)
(pŭnchē)adj. punch·i·er, punch·i·est
1. Characterized by vigor or drive: "He speaks in short, punchy sentences, using plain, populist words that excite" (Washington Post).
2. Groggy or dazed from or as if from a punch or series of punches; punch-drunk.
punchi·ly adv.
punchi·ness n.
- knock-kneed
- knock off
- knockoff
- knock out
- knockout
- knock out of the box
- knock socks off
- knock (someone's) socks off
- knock someone's socks off
- knock some sense into
- knock/throw for a loop
- knock together
- knock up
- knockwurst
- knockwurst
- knoll
- knoll
- knop
- Knossos
- knot
- knot
- knotgrass
- knothole
- knot theory
- knottiness