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2 definitions by Natalee

 
1.
annoying person/thing/animal in an affectionate way.
odi the dog and roger the bunny are shitbrains. Rob is a shitbrain, I am a shitbrain.
by Natalee August 11, 2006
 
2.
The sound of a large shit dropping into the toilet (The plop sound)
Ow it hurts...sploonge.
by Natalee August 13, 2006