verb
- produces foam or bubbles on the surface of a liquid
- becomes very angry or excited
Usage: informal
Examples
- The cappuccino machine froths the milk perfectly.
- The beer froths when poured too quickly.
- The soap froths up in the washing machine.
- He froths at the mouth when discussing politics.
- The waves froth against the rocky shore.
- She froths with anger whenever someone mentions his name.