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2 definitions by larry arizona

 
1.
A rapid side-to-side oscillation of the front wheel of a motorcycle, where the handlebars literally 'slap' the gas tank due to insufficient road grip on the front tyre.
He had a tankslapper coming out of the first bend
by larry arizona April 23, 2006
 
2.
An acronym -

"Sorry Mate, I Didn't See You" is a common excuse given by cagers in car-motorcycle accidents.
I had my first smidsy yesterday at the junction..
by larry arizona April 23, 2006