The way your fingers wrinkle up in the bath. Often symbolized as a creature that lives in the drain and makes the gargling noises as the water runs out. wrinkles fingers, and frightens little children.
Someone who is gay and has ginger hair is described a a Gakki round these parts.
Dempy: Ohhh my! lick my cock like theres no tomorrow!
Chris: Yea dempy i will, i love your longhard weener.
Dempy: And i love your ginger hair and your abilty to suck cock, your a total Gakki!
Chris: Thanks, that means alot, now cum on my face!
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi