I kiss my own tightness - A way to say you're so good, you don't need anyone else to b

A way to say you're so good, you don't need anyone else to back you up.

I kiss my own tightness because I don't need your dumb opinions.

I kissed my own tightness when I beat my dad at chess.

I kiss my own tightness because I'm the only one who can beat the level.