2 definitions by JayXan
"Oh man! That fast food last night gave me a backdoor mudslide this morning."
"I was so sick last night; I had a major case of backdoor mudslide!"
"I was so sick last night; I had a major case of backdoor mudslide!"
by JayXan September 9, 2006
A higher dosage of Xanax, usually the bar shaped scored white ones. This is street slang and has nothing to do with consuming an actual candy bar.
by JayXan September 9, 2006