being very flabby or something of the sort.
having flabby fat on your body, jiggling in some way.
"WOW! Did you see Graham jiggle his leg in english today?!"

"I know, it was Flabtastic!"
by T-T-T-Tia May 25, 2007
Top Definition
Someone who is fantastically fat. Usually accompanied by bitch tits.
"Christ, look at him! He's flabtastic"
by apparentlyso July 29, 2004
An adjective refering to someone who has a lot of excess fat.
*woman walks past*
"woah shes flabtastic"
by lilemmaleebabee May 08, 2007
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