Dr Calbert R Graham, from Cambridge, told FEMAIL that mimicking the British way of speaking can be linked to novelty and exoticism - after seeing a boom in Americans adopting the accent online.
How Boygenius started the Sad Folk-Pop movement on TikTok and beyond hypebot.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from hypebot.com Daily Mail and Mail on Sunday newspapers.
Straight brows have racked up 114.7 million views on TikTok and sees Gen Z TikTokers shaving off the tail end of their brows for a snatched and lifted look.