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a cross between yummy and fantastic. it happened to fall out of my mouth one day when i was mad.
'Oh wow, that sweetie is yumtastic!'
by natalie clegg November 28, 2004
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2
A made up word used in the language of posh that must be spoken in an over accentuated fashion to describe pleasantry to the taste buds.
Mmmm ya-ya that is like, totally yumtastic ya.
by Ikalakinkaka June 25, 2013
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3
MMMM......good....delicious...really tasty.
A mix of the phrase "YUM" and "FANTASTIC" creating "YUM-FANTASTIC"....i mean "YUM-TASTIC"
Damn *BEEP* dats sum YUM-TASTIC shit mother *BEEP*er
by Justin D May 08, 2003
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6
When one is in a relationship with the pile of candy sitting in their room since Easter of 2014
Damn I'm so yumtastic with those jolly ranchers
by TheEpicWrecker June 02, 2015
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