large beyond comparison. Just BIG.
I have an astronomical amount of work to do for the end of the semester.
by Kayode May 03, 2007
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So fucking awesome that you dont even know how fucking awesome it is cause if you did your fucking head will EXPLODE
Tom:Dude Carla sucked my dick so good,IT FELT ASTRONOMICAL

Cesar:You serious?How much did she cost?
by TwitterCessarMF August 22, 2010
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A very large object, usually meaning huge, big, or gigantic. Many people use it in a sentence that has to do with a memorial statue, or just a large object in their house, or at an amusement park.
The sequoia tree was so astronomical, it was over 52,500 cubic feet!
by Akhaten October 27, 2014
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Someone who does it all night.
Girl #1: I met this guy Friday night and we went at it until sunrise.

Girl #2: He must have been an astronomer.
by AbnormalBoy September 15, 2004
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