huff / həf/ • v. [intr.] 1. blow out loudly; puff: he was huffing under a heavy load. ∎ [tr.] express (one's annoyance or offense): he huffed out his sudden irritation.2. [tr.] sniff fumes from (gasoline or solvents) for a euphoric effect, the consequences of which may be lethal: kids that are huffing spray paint like crazy.• n. [usu. in sing.] a fit of petty annoyance: she walked off in a huff.PHRASES: huff and puff breathe heavily with exhaustion. ∎ express one's annoyance in an obvious or threatening way.DERIVATIVES: huff·ish adj.