uit zijn duim zuigen

Etymology
Literally “to suck out of one's thumb”. Compare 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬.

Verb

 * 1)  to think of something, 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
 * 2) * 1636, Johan de Brune (de Oude), I. de Brunes Nieuwe Wyn In oude Leer-zacken, page 188.
 * "nl"

- Hy heeft dat uyt zijn duym ghezoghen.



Usage notes
The possessive determer is replaced with a possessive determiner that matches the subject.