1 definition by Meggy-D

A Muncie is a sex act wherein a line of 5 or more people with penises who all have trouble with premature ejaculation in turn have straight missionary sex either vaginally or anally with a single partner (who is called the "MacGalliard") until they finish and leave just like everyone does with that town.
God I could go for being the MacGalliard in a Muncie right now.

Christ we Muncied a girl so hard last week.
by Meggy-D August 25, 2021
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