A crude, colloquial expression for vomit, meaning stomach contents that have been expelled back out through the mouth.
example
Nach der Party musste jemand die Kotze im Badezimmer wegwischen.
After the party, someone had to wipe up the vomit in the bathroom.
Usage tips
Register: Very colloquial
'Kotze' (vomit) is a very crude and colloquial expression. You should use it only in informal situations and definitely avoid it in formal or polite contexts.
EXAMPLE
Überall auf dem Boden war Kotze.
There was vomit all over the floor.
Word family
The noun 'die Kotze' (vomit) belongs to the verb 'kotzen' (to puke). Both words are part of the same word family and have the same colloquial register.
EXAMPLE
Ihm wurde schlecht und er musste kotzen.
He felt sick and had to puke.
Typical use
The word is often used to describe the substance that has to be removed, or in connection with smell.
EXAMPLE
Es riecht hier nach Kotze.
It smells like vomit in here.
Compare with
confusable
Kotze vs kotzen
to puke
'kotzen' and 'die Kotze' belong to the same crude, colloquial area. 'kotzen' is a verb and describes the action: someone throws up. 'die Kotze' is a noun and refers to what comes out, meaning vomit. The words can be confused because they sound very similar and both are not polite. In neutral or formal situations, it is better to say 'sich übergeben' (to throw up) or 'Erbrochenes' (vomit). In everyday language among friends, you may hear these words, but they sound crude.
Kotze
Im Treppenhaus lag Kotze, deshalb rief der Hausmeister den Reinigungsdienst.
There was vomit in the stairwell, so the caretaker called the cleaning service.
kotzen
Nach der Fahrt auf dem Schiff musste Paul plötzlich kotzen.