whis·key tan·go fox·trot, o·ver
[ˈʍski ˈteŋgo
ˈfɑkstrɑt ˈovɚ] (hwih' skee tayng' go
fahks' traht oh' ver)
INTJ
1. Used to express extreme astonishment, surprise, spechlessness,
perplexity, or bewilderment.
From NATO Phonetic Alphabet for 'WTF', common Internet slang.