Songsmith
Verb:
1. To rape someone's mind with terrible, synthetic music.
2. To write bad music.

Noun:
1. A moron with awful taste.
2. Someone you shouldn't be friends with.
Example of verb:
"Hey guys, I wanna songsmith you with this N*Sync remix I just made!!!"

Example of noun:
"That emo kid who enjoys My Chemical Romance is such a songsmith."