What is one interesting terms in Diary of a Wimpy Kid?

"Cheetos-fingers" is an interesting term used in the Diary of a Wimpy Kid book series. Greg Heffley's friend, Rowley Jefferson, frequently has orange-stained fingertips from snacking on Cheetos, hence the term "Cheetos-fingers" is used to describe this specific situation. Throughout the series, Rowley's Cheetos-fingers become somewhat of a running gag among the characters, highlighting his fondness for the cheesy snack.