Someone who can't get enough of eating unhealthy foods so they might as well eat butter; usually a largely obese woman who looks as if they eat whole sticks of butter.
Adizzle: "Wow, look at buttersticks over there!"
Idog: "Omg there's too many fat rolls on her to count...what's her name again?"
Adizzle: "Kaitlin"
Idog: "Pfff more like buttersticks."
5👍 8👎