Kneeballing is when the knee is used to inflict pain on a mans testicles whether for sexual fun or self defense, derived from tamakeri/ballbusting. Practiced by many as an introduction th ballbusting.

A Bloomer is someone with a bright outlook on life who is optimistic in nature. Bloomer's frolic in every opportunity to be happy and try to make the most out of life. The opposite of a Bloomer is a Doomer. The term Bloomer originated specifically as a counter to the Doomer on sites especially like 4Chan.