What is Five Times Harder Than Concrete?
1.
Something very difficult. Based on the rescue from the Beaconsfield gold mine in Australia where the rescuers encountered rock said to be times harder than concrete.
That exam was five times harder than concrete.
See
Random Words:
1.
An internet meme and a euphemism describing an extremly tough and masculine male.
"Dude, did you see that guy tear that phone book..