An acronym that stands for Ejaculation Injection Overdose.
It is a specific type of suicide that involves filling up a syringe with a significant amount of your or someone else's semen and injecting a lethal amount of it into your bloodstream causing you to die.
Professor Splotchula was so mad at the class, he went into the bathroom and E.I.Oed.
I can't believe Isaac commited suicide by doing an E.I.O.
Old McDonald had a farm and then he double E.I.Oed. Some would say he E.I.E.I.Oed.
Astronaut 1: a e i o u a e i o u a e i o u a e i o u a e i o u a e i o u a e i o u a e i o u a e i o u
Astronaut 2: e y u i o a
Astronaut 1: I give up.