smedrock 

A shithole in sandwell. run over by the various gangs.

"lets bop down to smedrock"

"i live in smedrock"

smedrock by Bear90 November 28, 2007

smegrock 

A dense buildup of smegma on your dick that crystalizes

Girl: pull out your dick
Boy: hold on i have to go chisel the smegrock off

smegrock by The smegman June 5, 2016

Seaman Smedlock 

The name used to represent all "bad" sailors in the U.S. Navy, especially when you don't want to give away their name or don't remember it.

And then I walked in and found Seaman Smedlock performing a human vacuum on another guy smoking marijuana in the Radar Department.

Seaman Smedlock by QbanSnowman November 16, 2005