Shellie aka Michelle aka Margie and it is defined as a bad sister who refuses to visit or meet with a sibling.

Shellie is also an action, being when someone has time and doesn't use it properly.
I pulled a Shellie today, had 5 hours to several days to do things but instead sat in my closet reading the tags on my shoes.
by Bodhi T November 27, 2019
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Being on the work place receiving end of a recreation of the 1990s Tango orange man from the sombrero wearing fuck wit in the office
"11am Tina sent that bloody email and he's just ignored it, now I'm the one taking a 'Shelly'"
by Laid Back Larry July 22, 2022
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A meadow scented herb of the indica family. It provides calm, relaxed good times all day long.
I smoked some Dirty Shellie Marie to calm me down for the rest of the day
by November 9, 2021
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You only think I've Pissed you off, Do You want to play Who cares less?, I'm gonna have to show you, Lets see who wins
If your gonna act like Machinegun Kelly I'll show you Shotgun Shelly.
by mevsme101 August 10, 2021
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A woman who holds the power in a relationship and who acts like a man.
Make sure Shelly Big Balls doesn't find out
by Timi79 November 11, 2022
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