dotty /ˈdɑ.ti/adjective 3noun 1forms 3 adjective3 •(UK, informal) Mildly insane or eccentric; often, senile.My nan has got dottier and dottier since passing the age of eighty. •Having many dots.Look at the dotty pattern on that cheetah's fur. •(UK, old-fashioned) Having an unsteady gait. noun1 •(slang) A shotgun.Bro I’m booky, I’ll take your food if my belly starts rumblin They rap about bootings, they ain’t blammed nobody Hold that properly when I bang that dotty I put sniff in a rex, and I slang that bobby — 2017 formsdotties · dottier · dottiest