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3. fast one

fast one

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fast one

a clever and devious trick. (Compare this with pull a fast one.) That was a fast one. I didn't know you were so devious. This was the last fast one like that you'll ever catch me with.

See also: fast, one

fast one

1. n a fast act of sex; a quickie; a quick one. I think we’ve got time for a fast one!

2. n. a fast or quickly performed activity, such as eating or drinking something. Here’s a tavern. You got time for a fast one?

3. n. a clever and devious trick. (see also pull a fast one.) That was a fast one. I didn’t know you were so devious.

See also: fast, one