E-B-M
When someone tries to do something and messes it up, you yell 'sbem' so hard it f***ing echoes. You also have to make a face that looks like you just got f***ed by life.
He tried to cook and set the f***ing kitchen on fire. SBEM!
She tried to talk and sounded like a f***ing robot. SBEM!
He tried to dance and looked like a f***ing confused goat. SBEM!