That which is dropped when a female totally flips out about something very insignificant. Derived from estrogen bomb, this type of bomb can be accompanied by loud shrieking, irrational speech, and possibly b!tch slapping.
Girl: OMFG, you bough my burger with onions?!?! You are a total idiot, that's like the billionth time you've done it! I frickin hate you! (SLAP)
Guy: Pick off the onions and quit dropping e-bombs everywhere.