We don't have synonyms for grimms yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are grimm, grimes and grimme.
(N) :
an English pop rock, comedy, and poetry group, originally formed as a merger of The Scaffold with two members of the Bonzo Dog Doo-Dah Band and the Liverpool Scene for two concerts in 1971 at the suggestion of John Gorman.
(N) :
an English pop rock, comedy, and poetry group, originally formed as a merger of The Scaffold with two members of the Bonzo Dog Doo-Dah Band and the Liverpool Scene for two concerts in 1971 at the suggestion of John Gorman.