What is 5 In 5?
A shortened version of the drinking term "5 shots in 5 minutes". Can also be converted to 6 in 6, 7 in 7, or if you're trying to die, 10 in 10.
I did 5 in 5 and went to Rugby... there was mostly dudes there so I did 5 in 5 again and passed the fuck out.