What is Lyman?
1.
a male teacher over the age of 35 who is obsessed with the female students(usually between 10th and 12th grade), which leads him to try to have sex with them
Teacher - "Gina, meet me after class, if you want that extra credit"
Gina's friend - "that dude is a lyman, stay away and call the cops"
See
2.
An insult used to call someone stupid, dumb, annoying, etc.
"That guy is a total lyman."
"You lyman! You ate all our cheese!"
3.
A sickness that gives you a rash all over your face, and repulses women. (see also crap-bag)
I can't come into work today bob, I've got Lyman's disease
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