de kroon spannen

Etymology
From. Kroon here refers to a victor's laurels.

Verb

 * 1)  to reign supreme, be the best or finest
 * 2)  to take the biscuit
 * 1)  to take the biscuit

Usage notes

 * Recent usage trends towards the negative sense of take the biscuit; the neutral or positive sense, which is the original meaning, is now rather uncommon.