Remco is derived from the terms Remtard and Malco (mal co-ordinated).
It is the equivalent of calling someone a remtarded malco. Someone who is remedial, retarded and clumsy as shit.
Its a Dutch word. It means: Someone who thinks he's good. But he isnt't. Its a typpical Dutch word. Where they say: "Wat een prutser, wat een remco!". Its like retard,loser in Dutch.
A dutch name for a socially awkward man that likes to do art, has a bad sleep schedule and always feels like shit. Oh yeah he sits on discord for half his life.