Can be also used in situations of surprise (most likely a bad surprise) said after a shocking action or an insult.
#2:"Why like this?"
2. #1:"You are sooo stupid man..."
#2"Why like this"
The expression has an Hebrew equivalent: 'Lama Ka-Cha', and it is uncertain whther the roots are ill spoken english by Indian folk, that was then translated into hebrew or vice versa.
Possibly the most cynical use of this word can be found written on the jump board of Nepal's famous 160m bungee jump.
Rickshaw driver: Why like this?