v. Simple past tense and past participle of chuff.
adj. Very pleased or satisfied.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. very pleased
Word Usage
"And in reality, I am so chuffed that all these wonderful people care about me (no, tahnan, "chuffed" is not a dirty word), and it is more than I deserve, by far, and I'm not asking for more than that, really, I'm not."