That's a way to offend someone instead of saying things like "Fuck you" or something like that.
It is mostly used by moonwalkers (Michael Jackson Fans).
"Shut up or I'll be moonwalking all over your ass!"
by nastya.somebody December 14, 2021
Get the moonwalking all over your ass mug.
To really enjoy or get enthusiastic about something.
Originally related to food, but now extended to anything that one enjoys.
Richard: "Wow, this dinner sure is swell."
Toby: "Get it all over your face."

or

Tim: "Halo 3 is coming out soon."
Brads: "Oh man, I'm just gonna get it all over my face."
by halfbrick August 31, 2007
Get the get it all over your face mug.
to be in somebodys business
Stop being all up in my shit

Teachers are always all up in your shit
by Nacka December 13, 2003
Get the All up in your shit mug.
in your business...nosey...

related to the phrase "get off my nuts"
man, he was all up on my sac about that shit.
by jase February 11, 2005
Get the all up on your sac mug.