dmvslang.
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 copy homie 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 Army blanket."
"He's stuck to his boss like shit to an Army blanket."
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.