froth

Meanings

Noun

• a mass of small bubbles formed in or on a liquid

Verb

• become bubbly or frothy or foaming
  • "The boiling soup was frothing"
• make froth or foam and become bubbly
• exude or expel foam
  • "the angry man was frothing at the mouth"

Synonyms

effervesce, fizz, foam, form bubbles, sparkle, spume, suds