dmv slang.
Used to exaggerate when agreeing/not agreeing with something/someone.
"boi" commonly follows this expression and is often used in sessions of joaning
"Ay u do the homework mrs applebottom assigned?"
"No like shit boutta copyhomie that sits in front of us like shit."
An old expression dating back at least to British National Service (1950's) and probably a lot earlier. Possibly for as long as there have been British Armies that supplied blankets.
Was also commonly used in former British Territories and Dominions (Australia etc.) which now form the Commonwealth.
To attach to something very securely.
Also to hang around something or someone very persistently.
"This glue will stick that on the wall like shit to an Armyblanket."
"He's stuck to his boss like shit to an Army blanket."
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.