If your girlfriend doesn’t let you fuck her tits, you can use

I will let you do me raw if you eat my fat tits first, deal?

let my tits crash into your face while I'm on top of you

Let me play with your cock til you cum on my soft tits

Let me take you to heaven with these tits ;)

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Let me take you to heaven with these tits ;)

Let me take you to heaven with these tits ;)

Let me take you to heaven with these tits ;)

Let me take you to heaven with these tits ;)

Let me take you to heaven with these tits ;)