(at) full pelt

(at) full pelt

As fast as possible. I drove at full pelt, and I still got there late. Do you think she has a chance to win the race, if she runs at full pelt? They are planning this wedding at full pelt. I hope they don't forget any major details.
See also: full, pelt

at full pelt

with great speed; as fast as possible.
See also: full, pelt