Senkaku is the name of some islands, as well as the name of a sex act.
Senkaku, as a verb, is the act of ejaculating on a girl's face, and afterwords she looks up at you and says "Dear, I admit... the Senkaku Islands belong to Japan."
Sweekar is usually the youngest boy around his surroundings, he tends to have a massive dick and always gets all the bitches. He also is fairly tall amongst his peers and all the girls tend to love him.
Senkathir Selvi is an Indian name - It's often used to define the most beautiful woman out there - On the inside as well as the outside. Senkathir Selvi is joyful, fun and lives her life to the fullest and makes her closed ones do the same. Radiating happiness wherever she goes, she's the kind of a person you definitely never want to miss out on your life. If you've got one around, then you're the luckiest person in the world - Also the happiest.
Person 1: Hey, I've got a friend named Senkathir Selvi.
Person 2: Boyaren't you the lucky one! Hold her tight.