Motorcycle accessory, not necessarily a functional one. Believed to be originated in the forums of Advrider.com.
Derivations of the word include: Farckling, Farckle-aholic and Well-Farckled.

My next farckle will be a set of Piaas for the bike.
I am in the process of farckling my GS.
I am an admitted Farckle-aholic.
I just pulled the trigger on a well-farckled V-Strom.
by DracaJam March 30, 2008
Get the Farckle mug.
When someone farts close range into your face and splatters little specks of poo juice on your cheeks that look like freckles.
Richard blasted a fart in Jim's face and gave him a ton of farckles! He looks like Opie!
by RonnieL November 13, 2007
Get the farckles mug.