"Going on a vacation with your fiancé only to return home alone and immediately lawyer up and not answer questions about their whereabouts" - youjuststartagain https://www.reddit.com/r/AskReddit/comments/ppi3xu/what_is_perfectly_legal_but_creepy_as_hell/

"Calling your child “sexy” Right up there with moms who don’t seem to understand that their son is not their boyfriend. What kind of weirdo threatens their son’s spouse/girlfriend with the line “the first tits he loved were MINE”" - speedbro

"Family YouTube channels" - Doffen02

"Leaving a piece of your body behind for your future generations. My great great grandpa did this by having his skull revoved and turned into a goblet for his daughter/ my great grandma. Lasted about a few years before someone stole it." - FauxWolfTail

"A national newspaper having a countdown for when a child actress becomes "legal" for sex." - pdirth

"Using the urinal next to me when there were plenty of other choices"

"Technically, you can stand on the sidewalk and stare into someone’s house through a window. It’s not illegal as long as you stay off of their property, but it’s really freaking creepy" - jpresley78

"hanging out in a public bathroom timing how long people pee." - freezingprocess

"Sniffing the hair of the lady who fell asleep on the train." - wzl46

"When I was a child, we had a creepy horrible neighbor that would harass my family constantly. One of the things he did was stand at the corner of his yard and videotape me playing in a pool with my friends (we were around 8). My parents called the police but were told that it's legal if he's on his property." - wildeforwomen

"Parents using their kids for money"

"My dad is currently in an injury case against his old job. There’s been a car outside his house filming him for the last couple months trying to catch him doing compromising things to disprove his injuries. That’s very creepy" - Ravens_and_seagulls

Saying, “Think of yourselves as sisters” when introducing a much younger new wife to one’s adult daughter. My father-in-law did this." - SenorKaboom

"In some states, it's actually legal to take upskirt pictures with your smartphone, as long as they are wearing panties. Super creepy as hell. I only know this because a judge ruled a guy innocent for doing just that because of a law that was worded a certain way. No clue if the law has changed to include upskirt pics." - GyaradosDance

"Nobody is saying you can't eat a banana Terry, but you can't just stand on a street corner for 30 minutes and suck on it, you have to actually take a bite." - HatMaverick

"Using a laser rangefinder to ensure you stay outside the effective radius of a restraining order." - SqueakyFarts99

"I believe the act of cannibalism itself is legal so long as you didn't murder anyone to do it. If your homie gives you his arm to gnaw on, it's fair game." - TheflamingCerbrus

"Parking across the street from an elementary school with binoculars Technically not illegal, but you'd definitely get the cops called on you and make the news." - time_wasting_student

"Dating a girl you adopted once she turns legal age and not in your care" - Scared_Bed384 ·

"Hanging your doll collection from the trees in your yard using string made from human hair." - baconwagoneer

"Sitting next to someone at a public transport even when there are other seats available" - mo95z

"Paparazzi"

"According to the FBI, performing vaginal examinations on six year olds during gymnastics training... at least for a while" - eq2_lessing

"Facing the wrong way in an elevator" - isaacccman

"Sitting on a lakebed at night with a rebreather and no flashlight" - MinionSympathizer