"A girl told me my lips looked like somebody had pressed strawberry yogurt against my face"

This quote is a humorous way of stating that the girl discovered the speaker's lips attractive. It indicates that the speaker's lips are full and juicy, like a ripe strawberry. The comparison to yogurt recommends that the speaker's lips are soft and smooth, like the velvety texture of yogurt. The expression "pushed versus my face" implies that the lady was close enough to the speaker to be able to make this observation. Overall, this quote is a lively way of saying that the speaker has appealing lips. It is a compliment that the speaker can take pride in.