su·per-du·per
informal
super-duper (adjective);·;superduper (adjective)
very good; marvelous:
"this new line of toys is super-duper"
Similar:
excellent
marvelous
superb
first-rate
first-class
wonderful
outstanding
Opposite:
bad
boring
Origin
1930s: reduplication of super.
Translate super-duper to
super-duper