fart escaping from the male love tunnel not fully intact, therefore breaking the bubble that fart was contained in, and releasing excessive amounts of noxious and sometimes even toxic gas.
More often used as a derogatory analogy to describe a person who gives away information, data, codes, secrets or anything else that was not meant to be known between friends and/or acquaintances, creating issues, rumours, innuendo, panic, hysteria and/or inadvertently dobbing said individuals and/or groups into each other or authorities.
"He's a headless fart for letting every one online know about the party tonight!"
When your head connects with your desk. Often used in online chat as an expression of frustration or disappointment.
Person 1: Does anyone know the webmaster's email address?
Person 2: Wutz a wbemastr???
Person 1: ....the person who designed this website...
Person 2: o.
Person 2: Wutz a email adress??
Person 1: ..........
Person 1: *headdesk*