gruff(redirected from gruffest)
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(as) gruff as a bear
Surly or brusque. Don't take it personally, Gordon is gruff as a bear with everyone.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
*gruff as a bear
gruff; curt and unsociable. (*Also: as ∼.) I hate to ask Erica questions; she's always gruff as a bear. I'm always as gruff as a bear before I've had my first cup of coffee.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.