>>52481273The original use was within a spade, and meant "Queen of Spades" which was used as a way for women to signal that they prefer black men.
Typically you'll see art these days with a similar Q in some other designs and the implication is the woman likes whatever that design implies - for example if it's a horseshoe, she prefers fucking horses, and in OPs case, it's a Pokeball, so she prefers fucking Pokemon.