clink 1 
(klĭngk)
(klĭngk)intr. & tr.v. clinked, clink·ing, clinks
To make or cause to make a light, sharp ringing sound: clinked their wineglasses together in a toast.
n.
A light, sharp ringing sound, as of glass or metal.
[Middle English clinken, probably from Middle Dutch klinken, of imitative origin.]