1. A word describing the leetness of a group of people. 2. Can be abberiavted to "exer" for the phrase Exer leetness which is used to describe the feeling of walking in on 4 lesbians participating in group sex and inviting you to join them.
Example 1: Last nights game was awesome i thought our team were Exercitum. Example 2: Dam mate, after last nights game i got such an exer leetness feeling.
by TripplexdoubleDs March 8, 2010
Get the Exercitum mug.The feeling you get when you excersise all the way to your full potential, and at the very peak a shot of euphoria streams out. It is practically like having an orgasm.
by Rob Renk November 1, 2006
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