Best definition
yamahaha is what gsxr riders tend to say when idiots tell them they have an r1 or r6. its not their fault salesman always lie to stupid people to move their shitty products.
gsxr rider : yamahaha

r1 rider : what?

gsxr rider : nothin..

r1 rider : i didnt know you rode a gsxr!?!? do you still wanna race??

gsxr rider : hold on let me take my k7 gsxr 1000 home and get my girl friends ninja 250.

r1 rider : why?

gsxr rider : ya know to keep it fair.

r1 rider : right on man. thanks!!!

gsxr rider : not a problem noob