1. [informal] Cast aside capriciously or unfeelingly
   "blow off a lover or a bride";
   - jilt
    
2. Come off due to an explosion or other strong force
   "The roof blew off during the hurricane"
    
3. [Brit, slang] Expel intestinal gases through the anus
   "He embarrassedly blew off during the quiet moment";
   - break wind, poot [US, informal]

1. A discharge of steam, gas, or liquid, typically to release pressure or as a safety measure
   "The blow-off valve released excess steam from the boiler"
    
2. [Brit, vulgar] A reflex that expels intestinal gas through the anus
   - flatus [technical], wind, breaking wind, poot [US, informal], flatulence

Derived forms: blew off, blowing off, blown off, blow-offs, blows off

Type of: act involuntarily, act reflexively, come away, come off, detach, inborn reflex, innate reflex, instinctive reflex, leave, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex

Encyclopedia: Blow off