The part upper part of the buttocks that are exposed when wearing low riding jeans or pants.
When these fat chicks wear pants too tight and their ass gets pushed up out the top of the waist band.
Yo, your muffintops are showing.
The tasty top-part of the muffin, usually containing the most chocolate chips, blueberries, etc.
Let's have a picnic and eat muffintops guys!
The effect of a fat girl wearing jeans tight enough to make the fat around her waist spill over the top of her jeans.
Usually noticed because the offender's clothing reveals their midriff.
Don't look, but there is muffintop behind you on the esclator.
A code name for a guy because his hair looks like the top of a muffin.
“Omg i think muffintop looked over”
The area directly over your waistline that spills over creating what resembles the top of a muffin.
Hey, look at her, she has a muffintop.
A rim of fat that bulges out above a "pleasantly plump" girl's too-tight pants. These girls usually don't realize that their outfits are completely unflattering, so it's best not to point this out. In today's modern McDonald's fed society, muffintops are not a rare sight.
As Tracy walked down the street, the fatty muffintop peeking out from below her wife-beater jiggled wildly. It was rather entertaining.
The belly/hip spillage over the top of the jeans, forming a muffintop. Usually in reference to females.
"That clingy shirt is definitely not hiding her muffintop- she shouldn't be wearing low-rise jeans in public."