What is Instant Breakfast?
1.
When Law Enforcement SUDDENLY (therefore "INSTANT") becomes aware -- after the fact -- that many previous murders, probably stretching over many years time -- are actually the work of a SERIAL killer ("serial" sounds like "cereal" = "breakfast").
O'MALLY: Oh my God!
DRUMMOND: What O'Mally?
O'MALLY: Instant Breakfast, Drummond!
DRUMMOND: Are you sure? What cases are you talking about?
O'MALLY: Come here. I'll show you.
See 
Random Words:
1. 
Engaging in the act of masturbation.
"doing the daily habit"
xAznb0i69x: Hey dude, whats shakin'?
l0v3rm4n: brb
l0v3r.. 
1. 
1 : to involve one's self in a way that hinders or impedes in another's affairs
2 : to strike one with the opposite foot or a..