adj. 1. Extreme, brutal
2. The description of pornography that graphically shows penetration of the vagina or anus by the penis, tongue, or foreign object
3. The description of a type of wrestling match where there are no rules; i.e. all weapons are allowed, pinfalls count from anywhere, and there are no countouts or disqualifications
Mick Foley and Edge performed in a hardcore match at Wrestlemania 22.
n. 1. A type of dive in swimming in which a person grabs his or her ankles in mid-air while at a steep angle
I performed a flying squirrel dive at the community pool.