When an unexpected bad thing happens out of something that is supposed to be good
Me: Yesterday, my girlfriend told me she was ready to have sex, so I went to her house and she was doing her brother...she told me she didn'tmean she was ready for me.
Friend: Damn, sounds like you were Being Raped By Rainbows last night man
When someone tries extremely hard to be correct about everything/prove everyone wrong, especially over trivial things that no one cares about. "Being a Jerm" also refers to someone who tells you a pointless fact every chance they get.
Peter: yeah that song came out in the 70's
Jerm: No, it came out in 1978.
Peter: like I said..
Jerm: *googles and pulls up Wikipedia page* see, 1978, you were wrong.
Or
Jim: Dude, I want some celery
Andrew: Did you know that when you eat celery you burn more calories than celery has in it?
Jim: no one cares.. stop being a Jerm, man..
In gay culture this is a male that behaves & acts like a femaleteenager. Usually other gay males will laugh & go along with this immature bltchy character. This is group or herd mentality within individuals that feel this will elevate their status with their friends.
Thursday is mean girl day at the bar, Gilbert was just being a mean queen!