This is the 9331st most frequent German word.
mats
In German, *"Mats"* is not a standard word with meaning; it’s a name or could be a colloquial abbreviation.
Here, 'mats' (Matten) refers to physical objects used in sports or gymnastics activities.
Die Gymnastikmatten sind weich und bequem.
The gymnastics mats are soft and comfortable.
In this sentence, 'matschig' metaphorically refers to a sluggish or tired state, derived from 'mats' referring to something messy or slurry in the literal sense.
Sein Verhalten war matschig nach dem langen Arbeitstag.
His behavior was sluggish after the long workday.
In this usage, 'mat' (Matte) denotes the household item placed before a door for cleanliness.