1 definition by Calan1234

Top Definition
When two are engaged in sexual intercourse and the parents stick their respective thumbs up each others anuses. Thumbs may be licked for additional lube. Originated in Pflugerville, Texas.
Peter Boos and Keith Shaller were having sex when he decided that we should start Pfluging.
by Calan1234 October 03, 2006

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