When you go in for a high five and then take it back at the last second "Dissing the other person"
1.)"High Five!" -goes in for a high five-
2.)"Ok then" -Also goes for it-
1.) -Moves hand last second-
2.)"Hey!? :(" -Looks like fool-
1.)"YOU JUST GOT BBQ'ED BITCH!!!!!"
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.