The spectrum by which a girl's body is rated in comparison to her face, where butterface is an ugly face v a nice body and scuffin muffin is a nice face v an ugly body. A zero is optimal, denoting your body and face are roughly at the same attractiveness level.
Guy: "Ehh I'll give her a overall 7.5 on the hotness scale, but on the Butterface-Scuffin Muffin Spectrum (B-SMS) she's moderately leaning towards Scuffin Muffin."
by Cunty Punter October 18, 2010
Get the Butterface-Scuffin Muffin Spectrum (B-SMS)mug. by LingDanc803 November 15, 2023
Get the SM&Dmug. by It's not me spaz May 17, 2021
Get the Smsmug. Sms because you getting on my nerves.
by Burn4baby6 December 8, 2020
Get the Smsmug. by Don't get me in trouble February 21, 2021
Get the SMSmug. 
