Subscribe English
look up any word, like sapiosexual:
 
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.
by joseph diggler July 16, 2006
11 0

Words related to five times harder than concrete:

beaconsfield concrete difficult easy hard