Best definition
Well doesn’t that just take the biscuit.
A phrase used in the Hitchhiker’s Guide to the Galaxyseries.
A mild expression of astonishment, similar in meaning to “Well, that’s

interesting” or “Well DAMN!”, but far far more amusing.

X: Hey Y, did you hear?

Y: What?

X: They’re actually going to enforce the dress code now.

Y: *pauses* …well doesn’t that just take the biscuit.