# foam up

> English word · Verb

## Definitions
1. To become foamy, create a foam; to rise with a foamy surface or covered with something resembling foam
2. To take place, arise, erupt, develop.
3. To cause to become foamy; to cover with foam.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/foam-up