Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A small motorcycle built on a frame consisting mostly of one large-diameter tubular component.

Etymologies

Sorry, no etymologies found.

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Examples

  • It's my term to those scooter/underbone motorcycle riders who place their feet conspicuously on the passengers foot peg or at the rear portion of their bike.

    websaytko.com - raredog's chronicle 2010

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