look up any word, like the eiffel tower:
to go in big, act wide, spend and die.
Dude, Jeff went cockhard down to Vegas. Haven't seen him for a week.
by HurleyJohnson August 27, 2010
Something extremely difficult/tough or physically rugged and unbreakable.

Can be used to for both physical and mental descriptions.
ex 1:
Dave: Damn, I think I failed that test man, it was cockhard!
Ray: No, you're just stupid.

ex 2:
Dave: My shoulder hurts ever since you body-slammed me on that cockhard floor!
by badkarma927 May 17, 2007