1 definition by Nicole Dissinger
A person who inserts his/her five cents when not being asked without having proved the reliability of the information he/she shares in public.
"Oh no, marchi-martius, not again! Don't tell me that I have to add some shit in order to cook brownies," cried Celine, "I know I have to add cocoa powder instead...."
by Nicole Dissinger August 29, 2019