To completely fuck up at an activity or play in a team or solo competition; to let the team down (typically used while playing Clash of Clans mobile app)
Wow, you really kaisered that Attack. That'll probably cost us the war. Way to go, dipshit.
a girl that is amazingly awesome to talk to, and is very hot and pretty, and has a very douche-y boyfriend that she needs to dump cause she needs someone better.
Kacie you dont deserve to be treated the wayyou are when your with joey, you should dump him and go out with me instead.