sich aus den Fingern saugen

German

Etymology

Literally "to suck out of one's fingers". Compare Dutch uit de duim zuigen, Czech vycucat z prstu‎, Russian вы́сосать из па́льца (výsosatʹ iz pálʹca).

Verb

sich aus den Fingern saugen ("sich" is in the dative case)

1. (idiomatic, reflexive) to think of something, to make up, to make up out of thin air, to invent (false stories, figures, etc.), to pull out of one's ass (fabricate a claim with no factual basis or evidence)

   Das hast du dir wieder aus den Fingern gesaugt.

   You've made it up again.