"You do the maths"
Man, if i hit you three times in the arm, and one in the leg, how many times would i have hit you, YDTM.
you're dead to me
an expression of frustration towards a friend.....
used in a conversation or at the end of a text or email YDTM
in a conversation "dude, I can't believe you went home early last night, you gorded out.... YDTM!!
in a text "hey, I covered your bar tab, thanks for nothing YDTM"