The exact source of this repeating "hehehe" clip is unclear from the available details, so it is best understood as a general laugh reaction used online. Sounds like this spread through short meme edits, group chats and soundboards because they instantly signal quiet amusement, sarcasm or playful embarrassment. Its longer duration helps creators either use a quick burst or let the laugh run for an intentionally awkward effect. It stays popular because a simple laugh is easy to fit into almost any reaction format.
About this sound
A long repeating "hehehe" laugh clip used as a reaction sound in memes, edits and voice chats when something feels goofy, awkward or quietly hilarious.
This sound is a sustained human laugh made up of repeated "hehehe" bursts for a little over 17 seconds. It has a light, mischievous tone rather than a huge explosive cackle, which makes it work well for sly jokes, petty wins, awkward moments and playful trolling. Because the laugh keeps going, it can turn a small visual gag into something more uncomfortable or more absurd depending on the timing. Viewers usually read it as teasing, smug amusement or someone trying and failing to hold in laughter.