whillikers

[ hwil-i-kerz, wil- ]
/ ˈʰwɪl ɪ kərz, ˈwɪl- /

interjection Informal.

(used as an intensive after gee or golly gee to express astonishment, delight, etc.)
Also whil·li·kins [hwil-i-kinz, wil-] /ˈʰwɪl ɪ kɪnz, ˈwɪl-/.

Origin of whillikers

origin uncertain