What does Graps mean?

This word does not exist but assuming that this word is a Dutch word, the translation according to the word formation is:

graps (original form of Dutch adjective) → joke-like; joke-like

graps→grap-s

grap (Dutch noun singular masculine) → joke; joke

-s (Dutch derived suffix adjective prototype and German derived The suffix -isch and the English derived suffix -ish have the same origin)