Inflatable; able to be blown up.

(informal) An explosion (physical or emotional). / (informal) An enlargement (e.g. of a photograph).

(nautical) The traditional hail of the lookout in a whaler (whaling ship) when sighting the spouting water thrown up by a whale surfacing.

(boxing) An unfair or illegal blow that lands below the opponent’s waist; a groin attack. / (figuratively, by extension) Any attack that is considered unfair or unscrupulous.

(US, Philippines) An electrical device used for drying hair.

(transitive) To extinguish something, especially a flame, especially by means of a strong current of air or another gas. / (intransitive) To deflate quickly on being punctured.

(idiomatic) To kiss one's hand, then blow on it in a direction towards the recipient.

(idiomatic) To speak with a lack of credibility, sense, purpose, or truth; to speak nonsense.

plural of low blow

Used other than figuratively or idiomatically: see blow, away. / (transitive) To cause to go away by blowing, or by wind. / (intransitive) To disperse or to depart on currents of air.