1. Significant; ominous; serving as a warning of danger; - applied esp. to the warning colours or forms of certain animals

Encyclopedia: Sematic

• blow hot and cold
• blow me
• blow off
• blow one's stack
• blow out of the water
• blow over
• blow-by-blow
• blow-dry
• blowback
• blowball
• blowdown
• blower
• blowfish
• blowfly
• blowgun
• blowhard
• blowhole
• blowie
• blowing
• blowing gas
• blowing up
• blowjob
• blowlamp
• blown
• blown-up