Top definition
Equal to 0.000000001%. An extremely low probability of something occurring. Was seen in Neon Genesis Evangelion.
The chance of this working is 0.000000001%, or pathetically enough an Oh-Nine Factor.
by DarthShinji January 25, 2014
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Jul 2 Word of the Day
Someone people turn to when they're sad who makes them feel better.
Dude, I was so unhappy about my girl, until I spoke to my serotonin donor who really helped me feel better
by jonfurstn1 November 27, 2009
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