The small buttons on IT station controls that allow switching from laptop to desktop as a source for the video projector
-The image is not coming up
-You have to press the Magic Marcello Switch
by Marcelload April 12, 2007
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This is the kind of guy who eats all of your food and comes back for seconds. He probably ate Madeleine McCanne thinking she was one of those little cakes. This tubby little meatball's blood type is ragù positive. He is as plump as the sky is blue.
Man #1: Oh no Nicolo Marcello is coming, hide your food!
Man #2: He's right behind me isn't he.
by Mr Stewart July 3, 2023
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To over stay your welcome, or keeping stuff too long
You can hold on to it for as long as you want, please don't pull a Marcello....
by Galt22 March 1, 2022
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