The act of farting in bed and pulling the covers over your head to see if you can gag yourself. A form of self-mutilation but limited to nasal passages.
Bobby decided to punish himself for eating that 3rd bowl of chili by performing self-flatulation at bedtime.
Pseudo-scientific euphemism for brain fart. The act of temporarily forgetting what one is doing and/or performing an act which would normally considered to be stupid or sub-par for one's intelligence.
Wow... I can't believe that Al sent that email attachment of everyone's salary to the whole company! Must have been a huge endocranial flatulation.