1. roostertail - Noun
2. roostertail - Verb
Three PT boats travelling at high speed, leaving prominent roostertails of water behind them.
roostertail (plural roostertails)
A violent fountain or spray, especially one caused by a moving vehicle or boat.
To pour like a fountain; to spurt violently.
To move rapidly through water, leaving a roostertail wake.
Source: en.wiktionary.org