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
Top Definition
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
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
what a fag says when he thinks hes too cool to say "yum"
that was super duper yumtastic you silly goose!
by kkk headmaster May 09, 2003
The act of Yummy and fantastic
Bananna pudding is yumtastic
by kk195056 February 29, 2016
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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