Crossword Puzzle A bit nasty

Clue: A bit nasty

Nasty biter (e.g. ASP with 3 letters)
Snake with a nasty bite (ASP with 3 letters)
It has a nasty bite to it (ASP with 3 letters)
"Giuliani: Nasty Man" author (EDKOCH with 6 letters)
Nasty political accusations (MUD with 3 letters)
Nasty online argument (FLAMEWAR with 8 letters)
Reggae icon on Beastie Boys "Hello Nasty" album (LEESCRATCHPERRY with 15 letters)
Her 1997 debut album included the hit "Bitch" (MEREDITHBROOKS with 14 letters)
Boxer with a nasty bite (TYSON with 5 letters)
Nasty bits of dirt (UGLYRUMORS with 10 letters)