Buttah

A Zambian slang used to refer to a friend, usually a male. It is derived from an Afrikaans term which means "brother".

"mmhhh buttah, that girl likes you, man."
"lets dip, buttah"
"Need a hand, buttah?"
"you're my buttah, exe"

smooth like buttah

Being or something going very smooth, like, extremely smooth

For example, "wow man, you're being smooth like buttah" or "it's going smooth like buttah"

Buttah design

sweet and creamy

It's better with Buttah Design!

bird with the buttah on the flip side

Crazy, bald headed hawaiians who are still in the closet use this phrase when they want to order up hot man sex with lots of lube.

Ease back, Jack and give me da bird with the buttah on the flip side