draw a man shoving his foot inside his own anus

Be careful when you remove an anal plug

Wallace and Gromit

kangaroo laughing at an oddly shaped being wearing an unsightly plaid cloth

A guy with no face is laughing.

This dude be LOLing

A woman laughs while her mouth flies away

Guy or girl laughing while he or she takes a deathly pill

Man sniffs some pink shit while asking how much more do someone wants.