Talk is cheap, knew I should've kept the receipt
She said she loyal, but all bitches gonna talk in the streets

from Omarion (Ft. Wale) – M.I.A. Lyrics on Rap Genius

Wale puns on “cheap” here with the “kept the receipt” language, and this could be a double entendre.

The receipt lyric could be referring to all the things he bought a woman, and you need to return the items hence you need the receipt.

It also could mean Wale should’ve kept a record of what she said to him about her being loyal.

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