Metric Fuckilogram
A unit in the Metric Fucktonne system. The measure of fuckweight exactly 2.20462 fuckpounds in the imperial fuckton system and are used in context to imply quantity of force put on an object going toward the ground. Although this term is relatively rare now because Metric Fuckton supersedes the Metric Fuckilogram making the Metric Fuckilogram redundant.
Q: Who says "Metric Fuckilogram anymore?" A: The fucking retard who wrote this goddamn definition that's who.