When something makes you so angry you feel like you are about to pop a blood vessel and have a stroke. Sort of an aneurysm that's caused by uncontrollable rage at someone or something.
When my boss told me at 5 p.m. on Friday that I had to work all weekend, I thought I was going to have an angerysm.
by Copychick7 January 14, 2008
When an individual becomes angry to the point where they will give themselves an an aneurysm.
"I'm going to have an angerysm..." or "Don't give yourself an angerysm..."
by Lala_9 April 09, 2009