Top Definition
–noun Slang.

Used in a derogatory sense to describe a bumbling, clumsy, awkward person, whose ludicrous oafish behavior and/or appearance is a source of general amusement. A buffoon or berk.
"Jesus, he's forgotten to take off his bicycle clips. What a billan."
by LiamMc October 21, 2007
5 Words related to billan

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