look up any word, like sex:
 
22.
The lesser form of hardcore, someone who neither has a lot of courage/balls or no courage at all.
Hey guys, I went mountain biking. I told you I was core.
by Cletus August 21, 2003
 
23.
Centre, middle, heart, nucleus, hub
The fucker was a dim wit to the fucking core!
by CyMan August 15, 2003
 
24.
Referred to a group or circle of close trusted friends. Members of the core are loyal, generous and offer/receive advice from one and other. Activities often involve ‘catching up’ regularly over coffee or taking part in recreational activities. Conversations may include anything from core members bowel movements to European history.

Also know as "children of the core"
Core member 1: "Should we tell others about coffee on Friday?"

Core member 2: "Na, lets just keep it core"
by a child of the core October 20, 2011
 
25.
Referred to a group or circle of close trusted friends. Members of the core are loyal, generous and offer/receive advice from one and other. Activities often involve ‘catching up’ regularly over coffee or taking part in recreational activities. Conversations may include anything from core members bowl movements to European history.

Also know as "children of the core"
Core member 1: "Should we tell others about coffee on Friday?"
Core member 2: "Na, lets just keep it core"
by a child of the core October 20, 2011
 
26.
a suffix which basically, when combined with the prefix, is defined as a particularly heavy type of rock music.
That metalcore band sucked. The grindcore band was pretty cool though.
by john August 16, 2003
 
27.
someone who thinks the world revolves around them and is very sefl centered and self absorbed
That was rude of Meagan to act core.
by Juliet August 16, 2003
 
28.
To fuck a chick to the point of annihilation!
Dude i cored that new chick out last night something fierce!!
by Roddder Donston September 29, 2009