The term for a bald cunt, he'll force you to come in when your shoes are melting and you can't physically go on. However, he'll force you to go home when there's 0.01% of the car park is covered in ice.

If you know someone who show signs of being a G Mac, you should get them help.
Vince: Son, me and your mother are concerned about you, you're showing signs of a G Mac.
Gerard: I know father, I am a G Mac, I love his bald head.
by Wagwan Whitmore December 17, 2018
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Acronym for “Give me a call”
Ok, gmac when you’re done.
by Pem Mcflum October 26, 2017
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