1. To scavenge food off others. Also used to gain alcohol at parties.

2. Being very cheap by asking "kindly" from people. With no intention of returning the favor

3. Can also be used in opposite terms. Where the cheap person refuses to give to others.
"Bro, stop mcneilling my smirnoff."

"Hey I have no money can I mcneill some off you?"
by mr-noobington January 05, 2010
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A term with sexual meaning.

A sexual thrust with such force that it induces vomitting of the recipient
I McNeilled your mom last night. It got a little messy
by dankthee June 01, 2016
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A guy who changes/acts completely different for or because of girls.
This person goes against previous ideals and actions.
Alex became such a McNeill since he started talking to Amy. He’s now too Big-Headed and denies he has changed for the worst.
by A disappointed friend July 15, 2018
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Small white caucasian seaside town with a large burl about the size of most pimples growing out of the potato butts of their rather ugly female population or having a large burly growth on your butt.
Man, you're sexy but that's quite a Port McNeill you've got there. Can I pop it?
by Rita Mcmeal August 15, 2012
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The future we can all hope for, if only it will become true. luv ya
I hope my future is as a Sam Mcneill
by samm33_cak3s March 04, 2019
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A guy who randomly interjects quality comedic material into a group text to after a 3 month hiatus, as if he had been contributing the whole time.
HAHAHHAHAHA... I am glad to see you are still alive McNeill.
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