I guess they want your lights out when you the plug

from Big Sean (Ft. James Fauntleroy, Kendrick Lamar & Royce Da 5'9") – 100 Lyrics on Rap Genius

This is personification on a lamp, referring to him as the plug in the wall that the lamp connects to and the bulb represents the limelight. When you’re the plug, or connection, people want to cut your shine mostly because of jealousy or other female emotions.

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