Tumpet

A Tumpet is a container used to store used tea bags before being thrown away. Preferably an empty mug.

There isn't a bin right here, I'll just use this empty mug as a Tumpet

Tumpet

A container for used tea bags, usually another mug set aside for this purpose.

I think the Tumpet needs emptying Ben, there's mould growing on the tea bags.