Something epic. Completely and utterly so.

Also, it gives you a great rush when you scream it at the top of your lungs. Try it. You know you want to. C'mon, nobody's looking.

When someone does something outside their normal comfort zone. or steps outside their own inner battle to support others

When you sit in your bathroom on the toilet trying to explode the bowl and in the process you blow up the whole entire house.

the occurrence of a meeting of two souls

a turd that smokes and burns when it comes out.