Top definition
a mix of words - stella and cock.

It refers to a penis that is both long and wide in girth, similar to a 568ml can of Stella Artois AKA wifebeater
mummy - ooh shitting hell that is a stellock and a half
oakham - too right. i've never been shy in a public shower
by Oakham X-terminatock November 13, 2009
Get the mug
Get a Stellock mug for your mate GΓΌnter.