a hardcore dance that includes movement of he arms in rotational circles and large high steps. rather slow but significant at rock concerts. to give the impression of steppping on babies.
guy 1: dude did you see that guy stepping on babies at the fall of troy concert?
A phrase often used to affirm or agree to something, or guarantee it'll happen. On the 'babies', as in, on your children, or all children in general. Similar to 'on god', or, 'on my mama'.
Carter: Hey Sam, did you like the newRocky movie?
Sam: ON THE BABIES, that shit was fly as fuck.