Yummy-butter is a phrase which can be used to express happiness, glee, and/or pleasure for a certain situation and/or person. The phrase was invented by the Nisenson family and is now a world-wide phenomenon. Yummy-butter: learn it, love it, live it.
Ex. 1:
Hayley: "Holy shit I just hooked up with an Abercrombie and Fitch Model."
Caroline: "Ooo yummy-butter how was it?"
Hayley: "It was fucking amazing!"
Ex. 2
Hayley: "Yo son lets go roll a blunt."
Kinsey: "Yummy-butter."
Hayley: "Holy shit I just hooked up with an Abercrombie and Fitch Model."
Caroline: "Ooo yummy-butter how was it?"
Hayley: "It was fucking amazing!"
Ex. 2
Hayley: "Yo son lets go roll a blunt."
Kinsey: "Yummy-butter."
by Billy Pilgrim IV December 15, 2008
Get the yummy-buttermug. You know you're going to have a great night when the drunk girl you are bringing home keeps begging for yummy cummy cakes!
by MandyP12345 December 1, 2011
Get the yummy cummy cakesmug. Usually used to describe a Romario. Meaning someone who looks like a snack; delicious, or very hot. In most cases, makes your mouth water when looking at them.
Have you seen Romario today? He's looking yum yum yummy!
My mouth wouldn't stop water all day when she was here, she's so yum yum yummy.
My mouth wouldn't stop water all day when she was here, she's so yum yum yummy.
by Jake v3 September 12, 2019
Get the yum yum yummymug. 
1. Delicious chocolate filled treat in the shape of a fictitious koala.
2. The excrement of one, Paul Hogan, when placed upon the chest of another individual.
2. The excrement of one, Paul Hogan, when placed upon the chest of another individual.
by Douglad August 6, 2007
Get the koala yummiemug. A young man, usually in its late teens and early adulthood, in the early states of accepting his homosexual prefferences. Furthermore, a yummie bird must possess good looks. The absence of aestetic pleasing apperance may classify one as a troggle(antonyms), a troll in its early stages of adulthood.
by guilherme128 June 12, 2007
Get the yummie birdmug. a hot guy, someone with sex appeal, has a air of confidence, attracts the ladies, great sense of humor and attitude (positive), athletic, adventurous
by Darla Faith February 11, 2008
Get the yummy boy (YB)mug.