1. to be uncontrollably excited.

The band's high-energy music left the crowd foaming at the mouth for more.

2. to be uncontrollably angry.

And there was my mom, still foaming at the mouth, still shouting at my brother.

Etymology: based on the literal meaning of foam at the mouth (= to have an illness that causes liquid and bubbles to collect around the mouth)

• put someone over the top
• put someone over your knee
• put someone's back up
• put someone's mind at ease
• put someone's mind at rest
• put someone's nose out of joint
• put someone through
• put someone through hell
• put someone through hoops
• put someone through paces
• put someone through something
• put someone through their paces
• put someone through the mill
• put someone through the wringer
• put someone to death
• put someone to shame
• put someone to sleep
• put someone to the test
• put something back on the rails
• put something back on track
• put something behind
• put something behind someone
• put something behind something
• put something behind you
• put something down to experience