a style of mustache in the shape of a horseshoe that passes over the upper lip and and runs parallel down from the corners of the mouth to the chin. The marcbell may also continue below the chin as it grows in length.

Possibly inspired by Canadian mustache styling champion Marc Bell.
Man, thats an awesome marcbell your sporting...

You really need to trim that marcbell..
by Max Powers :) November 19, 2007
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