Placing one's fist into another's rectum (also known as fisting) and then proceeding to fanning open the hand and fingers, creating a blooming onion-like appearance.

The act of extreme masturbation. You must "knock one out" whilst in close proximity to any of the following; Your mum, a nun, your boss, a member of parliament, George Michael. A person with capabilities to act upon catching you mid self-abuse obvisouly ups the ante. Ejaculation must be reached before your danger wank target comes (no pun intended) to investigate. The higher the chances of being discovered with one's pants down, pulling one's war face is obviously where the danger comes from. The more danger involved the harder (or softer) it is to complete the task in hand (snigger). The more dangerous the better. The chance of being arrested, pummeled by an angry father or having your hand severed by an arab's sabre means that you are a pro "Danger wanker."

Blooming onion is where one sticks there hand into ones anus and proceeds to slowly open there hand

A woman's genitalia that hasn't been properly cleansed over the course of a week to month. In order to be a blooming onion, this vagina has to have an odor that burns a man, or woman's, eyes as they approach for oral intercourse. When spreading the vaginal lips apart, one must cry from the odor, else the genitalia isn't a proper blooming onion.

When you insert your closed fingers in a cone shape into the rectum then spread your fingers open you get the "blooming onion"

When a person clusters their fingers together and inserts their clustered fingers into another person's vagina, similar to the snug. Once the entire hand is inserted up to the wrist bone, the person fans their fingers out in all directions, simulating a blooming onion served at a fine Australian steakhouse.

The used and abused asshole of a slut job whore.