A gossip.
If it weren't for that blabbermouth Sally, the principal would never have known we did it.
A person who talks excessively.
A kind of foam-dispensing nozzle used in firefighting at airports.
Two handlines are capable of 240 gpm and an undertruck "blabbermouth" nozzle can sweep the ground ahead at 240 gpm.
From blabber + mouth.
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