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2.
A person or entity who often spams on message boards and chatrooms.

See also Psycho
Psyco is an annoying git.
by misterx September 20, 2003
 
1.
Crazy nut who cant spell

Usually found in the darker parts of cities.
Psyco - Noun
I once saw a psyco, it was strange looking and demented.

Psyco - verb
I Went Psyco on him

Psyco - adgective
Look at that psyco butter.

Pscyo although simular is not the same as psycho.
by NUtcase - 64 September 22, 2003