mijn naam is haas

Etymology
, German student 's famous denial. The German surname, which literally means “hare”, was replaced with the Dutch common noun. The phrase was popularised by the song of the same name by the released in 1973, but attested as early as the late 19th century.

Phrase

 * 1)  I don't know, I don't know anything about anything, no clue

Usage notes

 * Often preceded or followed by the synonymous clause ik weet van niets or ik weet van niks.