Top definition
A man or women whose eyebrows connect and are bushier in the middle than they are normally.

A mustache that is somehow connected to a persons eyebrows

Most people with these have a mullet or think they are a farmer.
Damn Heindl has a big ass monostache

Damn how did that guy get a monostache
by Farmerhater August 28, 2009
Get the mug
Get a monostache mug for your brother-in-law Abdul.