Wubba Lubba Dub Dub is Rick's catchphrase, which he recurrently uses in the show Rick and Morty, mostly in season one. He uses this phrase every time he's happy or makes a joke.
Wubba lubba dub dub Means "i am in great pain, please help me"
wub-wubbaa lubbaa dub duuub! HAHA! wUBbA LUbBA DUB DUB MORTY!!