A harmlessprank where one flaps the palm of their hand side to side, like a salmon, against the insides of another persons thighs from behind. The higher up the thigh, the dirtier the dirty salmon.
Dude, can you believe he just dirty salmoned the mormon chick?
a very blown outslimey pussy that you fucked and fucked in the ass and shit came out and you put it back in the slimey pussy and you ate it like a dirty salamender
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.