When the girl/guy gives an Indian burn to the shaft of the receiver till the point of crying. That is when the giver uses the produced tears as lubricant until the point of orgasm is achieved.
Meghan: I want to try something special tonight... I'm gonna make your dick burn until your balls cry out, I call it the indian tear-jerker
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.