Similar to the use of oh my God, as in a situation of great surprise. This is better suited for polytheists such as Hindu's, and for those who want to draw looks in public.

Also known as oh my fucking god Disbelief to an action but common to those who hate swearing

A common reaction to goatse.

Blow through

When you fart and half of your insides coming flying out after it, making quit a mess.

When you pass some gas (gassy ass) & a lump follows - which hits the
back of your pants like a bullet..

Hey man, you eat that curry your gonna have a mighty blow through..

Mean that something, whatever it is, is very extreme.. and girls tend to say it way too much in those high school movies..

Janice's (from the sit-com FRIENDS) iconic line in the show. Whenever she walks into a room, or appears in a scene, her words are always "oh my god" .