gowk

In France the party fooled is called un poisson d'avril, 'an April fish'; in Scotland, a 'gowk', or cuckoo.

Ye hinnae as muckle o' the Sicht as wad let ye see when Leevie was makin' a gowk o' ye to gar ye hang oot signals for her auld jo.

Just take yoursel' away, if ye please; for really ye're tormenting me—making a perfect gowk o' me, for neither end nor purpose.'

I would offer to do this myself, only I'm a great heavy gowk, and Haggis is no' much better.