huff(redirected from huffed)
Also found in: Dictionary, Thesaurus, Legal, Idioms, Encyclopedia, Wikipedia.
1. A forced expiration to clear the airways of mucus and other secretions. Taken after a deep breath, a huff clears the upper airways. After a smaller or normal breath, a huff clears secretions from the lower airways.
2. A slang term for inhaling the vapors of glue or solvents; glue-sniffing.