rumbumptious

Adjective

rumbustious (comparative more rumbustious, superlative most rumbustious)

1. (UK, informal) Synonym of rambunctious, boisterous and unruly.
   • “Childer! Borne ’em I ’ave, an’ buried ’em I ’ave, but now I can’t seem to do wi’ their clatter no more—young things is that restless an’ rumbustious.”1912, Blanche Edith Baughan, “Red and Yellow and Ripe”, in Brown Bread from a Colonial Oven

   Synonyms:

   rambunctious, boisterous and unruly