Mäkäräinen

Mäkäräinen is a Finnish (used inside Finand) lastname or nick name used for people who are most likely to be found in exceptionally unexpected situations or course of actions.

Mäkäräinen is usually shortened as "Maka".

Being "a Maka" often includes spontaneous nudity.

There is also a phrase "Makan kakkaa" (Maka's shit) which origins and usage still remain unrevealed.