diddy message, a term used when someone act like a singer/actor/rapper/clothing/predator/designer who never wrote his own lyrics ever who seems to think its cool to act like such.
this term also commonly used by geeks referring to their anonymous system messages.
Oh hey, see what's happening on group chat!
I'd rather see The Emoji Movie instead of his messages, it's such a dmesg.
Well, he's always the drama king.