Is there any tag dedicated to kicking one in the testicles?

CBT I think

http://e621.net/wiki/show?title=cbt

Bigger version of something already here

http://e621.net/post/show/100008/awesome-guitar-humour-kick-lol-lulz-male-nuclear_b

PeterFox said:
It's against the law [in 23 states] to drop a rhino to his knees with a roundhouse kick to his "love district" while recreating Jimmy Hendrick's arrangement of The Star Spangled Banner on a non-functioning electric guitar ...or should be.

Thankfully, that's not the case here. Otherwise, there'd be nothing to do for fun.

possible inspiration?
http://www.progarchives.com/progressive_rock_discography_covers/1751/cover_34371717102008.jpg

Nothing is more awesome than that

He's a madman