froth
- n a mass of small bubbles formed in or on a liquid
- v become bubbly or frothy or foaming
The boiling soup was frothing - v make froth or foam and become bubbly
- v exude or expel foam
the angry man was frothing at the mouth
frottage
- n masturbation by rubbing against another person (as in a crowd)
frotteur
- n someone who masturbates by rubbing against another person (as in a crowd)