Probalbly the proverb 'shave the fool' (dutch: de gek scheren), means 'Make a joke'

Also called the Battle between Carnival and Lent.

It is a detail from'Shrove Tuesday' that you will find in Gallerie Bassenge in Berlin (2x in 2012), Albertina in Vienna, the Rijksmuseum in Amsterdam, Boijmans van Beuningen in Rotterdam, the University Library in Liège, the Noordbrabants Museum in 's-Hertogenbosch and also in the British Museum in London.