prata i nattmössan

Swedish

Etymology

Literally, "speak [while dressed] in [one's] nightcap".

Verb

prata i nattmössan (present pratar i nattmössan, preterite pratade i nattmössan, supine pratat i nattmössan, imperative prata i nattmössan)

1. (idiomatic) talk nonsense