Tiggy Shiggy is Tigrounette's alter ego username on the popular mouse game Transformice.
Tiggy Shiggy is being used whenever a sexual related sentence is being said.
Person 1: "Yo bro he is so gay!!"
Person 2: "TiggyShiggy man"
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.