From Wiktionary, the free dictionary
From French paillasse, itself borrowed from Italian pagliaccio. Compare Romansch pajass, German Bajazzo.
Pajass m
- fool, buffoon; idiot
2010, Pedro Lenz, Der Goalie bin ig, Der Gesunde Menschen Versand, published 2014, page 9:Der Ueli isch es Pajass, Tschuudigung.- Sorry, but Uli's a moron.