Short for guillotine, the act of chopping off the tip or head of the penis and squeezing the contents into a woman's mouth.
Hey bro, I think that girl wants you to give her a gilly.
by hellyeahbrother April 4, 2019
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Derives from Flanshawillian meaning to do fuck all for a living.
' went to college and eventually got a job doing Gilly'
'I get paid to Gilly all day'
by Scouse September 4, 2003
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Why are you being so Gilly? Its only 20p.
by Simon April 1, 2005
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female, a nerdy, overley smart pedophile
one of the most annoying people in the world and who cant surf!!!!
that kid is such a gilly............creepy
by Lucy R January 13, 2008
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Irish slang, From the Gaelic 'Giolla' meaning servant, used to reject an order from a person
Get me that will ya?

Ask me bollix, i'm not your gilly
by banjaxed January 2, 2011
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That queasy, watery feeling somewhere around your upper neck/under the back of your tongue/within your jaw glands (i.e your gills) that always occurs just before you are about to vomit.
Oh bollocks, I feel all gilly again - you've got about 3 seconds to get me a bowl.
by Sidney from Sydney October 21, 2017
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A person who is very kind and honest. He keeps everything truthful and whole. He loves all of his friends and keeps enemies near as well. He knows how to make people laugh, and knows how to break an awkward silence. He loves good music and has a couple of dance moves. He is awesome overall.
Gillis is the coolest kid ever!
by clappingdog November 6, 2011
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