Wait 'til your girlfriend is on her period, and feed her nothing but fudge for three days, forcing her to hold any shits in. When the three days are up, make her squat above your open mouth, then have her release a mixture of period-blood and the fudgey goodness that is now her shit into your mouth.

Large, beautiful breasts that are keep well consealed and initially appear to be much smaller and less impressive than they actually are until unleashed.