der Chaot
chaotic person
A person who is very messy, disorganized, and chaotic.
Sein Schreibtisch ist ein einziges Durcheinander, er ist ein wahrer Chaot.
His desk is a complete mess; he is a real chaotic person.

chaotic person / rioter
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chaotic person
A person who is very messy, disorganized, and chaotic.
Sein Schreibtisch ist ein einziges Durcheinander, er ist ein wahrer Chaot.
His desk is a complete mess; he is a real chaotic person.

The word 'Chaot' (chaotic person/rioter) derives directly from 'das Chaos' (chaos). It therefore describes a person who causes chaos or lives in chaotic conditions.
Überall lagen Bücher und Papiere – er ist wirklich ein großer Chaot.
Books and papers were lying everywhere—he really is a major chaotic person.
The meaning depends strongly on the context. If it is about disorder in private life (room, appointments), it means an unorganized person. In connection with demonstrations or violence, it means a rioter.
Mein Bruder findet nie seine Schlüssel, er ist so ein Chaot.
My brother can never find his keys; he is such a chaotic person.
In the meaning of a messy person, 'Chaot' (chaotic person) is colloquial. Depending on the tone, the expression can be slightly critical, but also affectionate or humorous.
Du bist vielleicht ein Chaot, aber ich mag dich trotzdem sehr.
You may be a chaotic person, but I still like you very much.
In the context of public unrest, 'Chaot' (rioter) is often combined with adjectives such as 'gewalttätig' (violent) or 'vermummt' (masked). It is frequently found in news reports or police reports.
Nach dem Fußballspiel randalierten einige Chaoten in der Innenstadt.
After the football match, several rioters caused trouble in the city center.
slut / slob
'die Schlampe' (slob) and 'der Chaot' (chaotic person) can both be used derogatorily for a messy person. The important difference is the tone: 'die Schlampe' is very insulting and is often used against women. It is better to avoid this word in everyday life. 'Der Chaot' usually sounds less harsh and mainly means that someone is disorganized or makes a mess. Learners may confuse the words when talking about messiness. 'Chaot' or a neutral form like 'unordentliche Person' (messy person) is usually safer and more natural.

Mein Bruder ist ein echter Chaot und findet morgens oft seine Schlüssel nicht.
My brother is a real chaotic person and often can't find his keys in the morning.
Sie nannte ihre Mitbewohnerin eine Schlampe, weil überall Kleidung auf dem Boden lag.
She called her roommate a slob because there were clothes all over the floor.