Bodily fluids that have been featured in an e621 post:
Piss
Cum
Sweat
Tears
(liquid) shit
Vomit
Pussy juice
Blood

Bodily fluids that have not been featured in an e621 post (yet)(to my knowledge):
Spinal fluid
Inner ear fluid

Please

sanestvaporeonfan said:
Bodily fluids that have been featured in an e621 post:
Piss
Cum
Sweat
Tears
(liquid) shit
Vomit
Pussy juice
Blood

Bodily fluids that have not been featured in an e621 post (yet)(to my knowledge):
Spinal fluid
Inner ear fluid

Please

Those 2 are very specific fetishes

sanestvaporeonfan said:
Bodily fluids that have not been featured in an e621 post (yet)(to my knowledge):
Spinal fluid
Inner ear fluid

Please

i'm sure there's some gore artist on this site that's gone to the trouble of adding such fluids to either their total head explosion commission and MK sub-zero style decapitation art trade respectivly. their hard work just hasn't gone noticed yet