Champ At The Bit Meaning

(intransitive, idiomatic) (of a person) to show impatience or frustration when delayed

Example: 2001: Byron Spice, Science Editor, Pittsburgh Post-Gazette, PG News read at [[1]] on 14 May 2006
  Pittsburgh supercomputer is complete, and scientists are champing at the bit to use it.
2006: Australian Broadcasting Corporation, webpage for Ideas with wings, a radio series supporting innovation read at on 14 May 2006
  Everyone is champing at the bit to be labelled innovative.
2006: Al Rosenquist of Pastika’s Sport Shop, speaking to Terrell Boettcher of Sawyer County Record, Hayward, Wisconsin, Anglers champing at the bit read at [2] on 14 May 2006
  We had quite a few people in last weekend. They’re champing at the bit, ready to go.