The story
Uncertain, but likely from either rumbustious + -ical or similar modification of robustic.
Etymology from Wiktionary, CC BY-SA 4.0.
rumbustical
Today it means: Synonym of rambunctious, boisterous and unruly. Full definition →
Today it means: Synonym of rambunctious, boisterous and unruly. Full definition →
Uncertain, but likely from either rumbustious + -ical or similar modification of robustic.
Etymology from Wiktionary, CC BY-SA 4.0.