"Teacher denies bathroom privilege, student asserts his dominance" by u/EmeraldEmesis: https://www.reddit.com/r/pettyrevenge/comments/9vxbgh/teacher_denies_bathroom_privilege_student_asserts/

"My aunt ruined my dinner, so I ruined hers." by u/roxeter: https://www.reddit.com/r/pettyrevenge/comments/8h0nqv/my_aunt_ruined_my_dinner_so_i_ruined_hers/

"This girl in the theater had her feet up on the back of my friend's chair." by u/deliasen: https://www.reddit.com/r/pettyrevenge/comments/53cffr/this_girl_in_the_theater_had_her_feet_up_on_the/

"Steal my Amazon package? Enjoy your complaint investigation" by u/brrduck: https://www.reddit.com/r/pettyrevenge/comments/gz7qp8/steal_my_amazon_package_enjoy_your_complaint/