And just to give everyone an idea of whats on Tumblr, here is just a small selection of eunuch blogs out there:

http://zoroaster666.tumblr.com/

http://chirenon.tumblr.com/

http://gendertransformation.tumblr.com/

http://nullifiedguys.tumblr.com/

http://sinfullyhungry.tumblr.com/

http://castratedguy.tumblr.com/

http://whitecastration.tumblr.com/

http://bandedballs.tumblr.com/

http://castrationmovies.tumblr.com/

http://olegarx.tumblr.com/

http://cunt-on-me.tumblr.com/

http://onlyballz.tumblr.com/

http://ctfboi.tumblr.com/

http://penectomyenthusiast.tumblr.com/

http://ducker005.tumblr.com/

http://damnd1.tumblr.com/