Wonder Junkie originates from a passage in Carl Sagan's novel Contact, which describes the central character's awe and wonder at the mysteries of the universe:

"She was a wonder junkie. In her mind, she was a hill tribesman standing slack-jawed before the real Ishtar Gate of ancient Babylon; Dorothy catching her first glimpse of the vaulted spires of the Emerald City of Oz...she was Pocohontas sailing up the Thames estuary with London spread out before her from horizon to horizon."
Carl Sagan, Contact
by the wonder junkie February 17, 2012
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A person obsessed with building wonders in Sid Meier's Civilization.
Zach rushes Great Library every game. He's a complete wonder junkie.
by Zlobromrd April 1, 2018
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