(v) To shave while under the influence of alcohol.

(n) Facial hair, esp. a mustache, which is unusual or irregular due to having been shaved while under the influence of alcohol.
I totally cut myself MacIver'ing!

Angus went clean-shaven because he gave himself a MacIver.
by EazyErich July 20, 2011
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a small ugly boy with a squeaky voice. annoying.
dammmn bro did u see jack maciver? he's so bent!
by howdyitzob July 5, 2017
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