Definition 1 of 1
Ok... It's Katpadi rhyming slang for "Hello, it's great to see you, but I have to cut, so I'm afraid this conversation is over, and yes I acknowledge that this seems rather rude, but so what, it's so rude that it's funny. See ya!"
Oh, and a kadlekai is a groundnut (peanut) in both Tamil and Kannada...
Manju (making hasty tracks at about 25 kmph): "Hi bye kadlekai!"