1.
The words which crop up most often in emo speech, music and
literature, most commonly 'black', 'hate', 'pain', and 'death', among many others.
2. (Of a foreign emo band) Whether or not the listener understands any of the simplest verbs and nouns, there will be
instantly recognisable and heavily used emo words (e.g. pain, death etc.) repeating in each song. C.f. Tokio Hotel