A milkshake is a mentally thick person. You've told them multiple times and they just don't get it. They're think-headed.
by M1ST3RJ April 06, 2022
Milkshake - A person who is mentally thick. Doesn’t listen. Doesn’t learn. Asks the same question repeatedly.
“l’ve given them the hyperlink 6 times and they never save it and they’ve asked again. What a milkshake!”
by M1ST3RJ November 01, 2021