1 definition by grugmeister

Top Definition
–verb (used with object)
1. To leave one's eating utensils in the kitchen sink for an extended period of time, for the purpose of cleansing.

2. Used in an euphemistic sense; i.e. to learn through an osmotic process.
1. Chick: Why, Charles, when might you cleanse the porcelain and cutlery you have here in your sink? What say you?
Charles: Oh, don't you worry my dear, I'm sinkwashing them. As a matter of fact, the plates and serving apparatus at the bottom of the pile should be cleansed, they've been rinsing now since Saturday.

2. Chick (on phone): Manfred! How is Germany? Now that you've been there for two years, how are your language skills?
Manfred: Yeah, ok. I'm just sinkwashing my German.
by grugmeister May 08, 2010
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