WordWeb Online

1. Producing or covered with lathery sweat or saliva from exhaustion or disease
   "the rabid animal's frothing mouth";
   - foaming, foamy

1. Become bubbly, frothy or foaming
   "The boiling soup was frothing";
   - foam, fizz, effervesce, sparkle, form bubbles
    
2. Make froth or foam and become bubbly
   - spume, suds [N. Amer]
    
3. Exude or expel foam
   "the angry man was frothing at the mouth"

See also: unhealthy

Type of: bubble, create, exudate, exude, make, ooze, ooze out, transude

Encyclopedia: Frothing