Janswer/Janswering

You call it a "Janswer" when a person reacts with simple phrases with "I know" or "Thats not even possible" to a joke or a rhetorical question. Janswering is a simple way to piss off your friends and other people around you.
Janswering is often used to skip a conversation. A person which wants to skip your intput and start a new conversation theme would often use a janswer and instantly start a new theme.

Janswer/Janswering:
An example for janswering ist this simple case:
p1: "did u hear of the flying horses?"
p2: "yes" ...starts his own conversation