A mashup of the words 'popular' and 'spectacular'. It's a word for when being one of the two isn't enough.
The all-star quarterback who also happens to be the president of the drama club would be considered poptacular.

Jim: Hey, did you see the new kid today?
Tim: Yeah, he went from nobody to poptacular in one class.
Jim: What'd he do?
Tim: I don't know but now the girls won't stop talking about him.
by Nights_of_Suburbia November 29, 2014
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