Zoe: Look! Lisa's got her tits up against the window!
Donna: Oh. My. God! She's got such great tits!
Greg: Now that's what I call some nice mashed potatoes!
Zoe and Donna, together: That's brilliant!
2. Delayed effect.
Did someone give the window a mashed potato? There's nipple prints on the glass.
3. Observed at the bar.
Her top was so tight as to give the impression that her tits were like mashed potatos.