Meaning "
Don't Make That Dirty"...This is
said after you realize you have
set someone up perfectly for a "that's what she said" joke or some other dirty comment.
Michael: So how was your
rowing practice out on the river this
morning?
Veronica: It was long and
hard...I am so worn out and sore...
(moments later)
Veronica: Oh my god Michael dmtd!!!