It is not a necessary biological process or anything and is mostly associated with chavs and generally dirty people that feel the need to spit due to either the taste that smoking gives their saliva...
enzymes
Yes alpacas do also spit but it is usually at each other to prove dominance or over food or when they feel threatened
Yes, Anything with Devil in it's Name is "Dangerous" To you're Body n' Mind! His Spit Can probably Eat through Plastic.
Slipknot- Spit it out is a 1999 BANG MY MOM song
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