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1.
The study/practice of oral sex.
"Dad, I'm not having sex! Im practicing orology for school!"
by willie989 January 17, 2010
 
2.
The sudy of using the mouth to study/examine things. It is another way of saying oral sex or blowjob.
person1; I am an orologist, you needed help?
person2; Yes! I need some help learning orology. I am always being told I am bad at eating head.
by willie989 January 18, 2010