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1.
mas·il (mey-zuhl)

Originating in Prince Edward Island, Atlantic Canada.
Inf. Meaning might-as-well.

To do something for the sake of convenience or for one's betterment.
Mike: Hey Dave, want to swing by the restaurant on the way home?
Dave: Yeah, we masil get some pizza or something.
by Mitchelllll February 03, 2008