original c00lfri3nds's definitions
your best friend's sibling, and your sibling's best friend are your cool friends. this friendship starts when your present your potential cool friend with a ring (usually of the plastic variety that comes on top of a cupcake)
my sister's best friend is my coolfriend.
by original c00lfri3nds May 2, 2011
Get the coolfriendmug.