( Slang can be used by anyone and we all know that but these terms are mostly found to be used by vampires or about them.)
Curses( Rude words or gestures mostly used against them)
names
Blood suckers
Leaches
walking corpse
(gestures)
Showing fangs( If once vampire shows fangs to another vampire in a aggressive way its a direct challenge)
to touch his own neck( Sometimes if this gesture is use its to show that they are marked or owned. Mot young vampires stay with their masters for a while if they decide to ever leave. If a older vampire uses the gesture it could be a intimidation they are counting on. Its like saying I am big and bad come get it if you dare. )
Touch thumb to fang and then flick outwards.( Saying f u nicely)
Complements
(names)
Vampiric ( vampire like)
Pure bloods( Vampires born not made)
(gestures)
Bowing
lowering eyes
touching ones lips with finger tips( a sign of nonaggression)
other