Slang for 'mother fucker.' Mostly used by filipinos.
The madapaka stole my lumpia!
Meaning "Don't trip Son!!"
Girl: O man, were lost in the forest, how gonna get out?
Jackass: Madapaka! you mother effing whore. Get the heck outta my car.
Girl: o really...what the heck....wow...haha...thats crazy