If we step up in the spot, I'll bet your lady bug

from XV (Ft. Freddy High & Sez Batters) – Mary Kate & Ashley Lyrics on Rap Genius

Meaning

When they get wherever they’re going, they are always met by women who adore them, so it’s a good chance they your girl will freakout if they ran into her.

There is also a play on words here since ladybugs have spots on them.

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