When you accidently call someone, while your phone is in your pocket, due to the buttons being pressed against your legs. Not to be mistaken with bootie call.
Alyssa: Damn! I keep butt dialing John. Maybe I should stop moving my legs so much...
Allison: (Oh my god, she's such a slut)
Allison: (Oh my god, she's such a slut)
by CountryBoii December 04, 2010