bos hout voor de deur

Etymology
Literally, “bundle of wood in front of the door”. First used by in 1967. Likely originated as a euphemism. Compare 🇨🇬, from where the Dutch perhaps originates. Compare also 🇨🇬.

Noun

 * 1)  (large) breasts

Usage notes

 * This noun phrase is, apart from any determiners, usually either preceded by an adjective (e.g. ) or followed by a relative clause (e.g. ); both types of modifiers in most cases describe the size or another physical attribute of the breasts.
 * May cause offense when used of people who are present.