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1.
foreskin
Guy 1- Dude...Did you hear that Nathaniel's got the devil's umbrella!"
Guy 2 - "No way...I thought that guy was normal"
by reubentheboobinjewbin December 07, 2010
 
2.
Poison hemlock or water hemlock, Conium and Cicuta respectively. They are both deadly poisonous umbelliferous plants. The poisons in these plants act differently: Poison hemlock (the hemlock of Socrates' time) contains coniine, which causes ascending paralysis and suffocation, and water hemlock contains cicutoxin, which causes violent convulsions and nervous system collapse.
That's a devil's umbrella, Johnny. Don't even THINK of picking it!
by pentozali June 18, 2009