(automotive) A small butterfly valve fitted to the intake manifold just before the cylinder head intake ports of many modern automotive diesel engines, and around which air can pass even when it is closed.

plural of swirl flap

Having swirls; swirling.

Alternative form of swirlie

comparative form of swirly: more swirly

superlative form of swirly: most swirly

A school mode of bullying involving holding a person upside down over a toilet bowl, submerging their head, then flushing water.

plural of swirlie

With a swirling motion.

Quality of being swirly.