flap trap

flap trap

[′flap ‚trap]
(engineering)
In plumbing, a trap fitted with a hinged flap that permits flow in one direction only, thus preventing backflow.

flap trap

In plumbing, a trap having a hinged flap which allows flow in one direction only, preventing backflow.
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Shaun target: Celts hero Maloney latches on to Nakamura's terrific through ball to sclaff the only goal past Ryan Esson; Wee are the champions: Pint-sized predator Maloney is hailed by Hoops pals McDonald and Brown for his match-winning strike; Walking wounded: Kid Cillian is forced off with shoulder knock; Flap trap: Boruc clatters into Sheridan as he tries to punch clear
Flap Trap! Another crazy edition of the obstacle game show hosted by Amanda Byram (left) and Mirror columnist Richard Hammond.