Adjective to describe something so painfully emotional, and tragic, that your stomach feels knotted. It relates to feelings of guilt, sadness and devastated sympathy.
The really tragicsuicide of ten year old Ashlynn Conner, from Illinois, suffering after being bullied, was described as 'gut-wrenching'.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.