gee whiz

noun, Informal.
1.
gee2 .
Origin
1880-85, Americanism; apparently euphemistic alteration of Jesus, with final syllable replaced by whiz1

gee-whiz

[jee-hwiz, -wiz] /ˈdʒiˈʰwɪz, -ˈwɪz/
adjective, Informal.
1.
arousing or characterized by surprise, wonder, or triumphant achievement:
a gee-whiz technology; a gee-whiz reaction to the sight of the Grand Canyon.
Origin
1930-35
British Dictionary definitions for gee whiz

gee-whiz

adjective
1.
(informal) impressive or amazing: gee-whiz special effects
Word Origin
C20: from gee²
Slang definitions & phrases for gee whiz

gee whiz

adjective
  1. Enthusiastic; very much impressed; youthfully optimistic: With a very gee-whiz kid, you're not talking about a very long period/ Finch's willed naivete´ frequently leads to gee-whiz insights (1980s+)
  2. Very impressive, esp in a gaudy way: a windowless conference room that felt gee-whiz, a little Big Brother, filled with television sets (1990s+)
interjection

(also Gee whiz, gee whillikins, gee willikers) An exclamation of approval, surprise, mild disapproval, emphasis, etc; gosh: But gee willikers, he does arithmetic like lightning (main entry 1885+; others somewhat earlier)

noun phrase

An armed pickpocket

[1950s+ Underworld; fr gee, ''gun,'' and whiz, ''pickpocket'']


Idioms and Phrases with gee whiz

gee whiz

An expression of surprise, dismay, or enthusiasm. For example, Gee whiz, Dad, I thought you'd let me borrow the car, or Gee whiz, they finally won the Series! This term is thought to be a euphemism for “Jesus Christ.” [ ; 1870s ]