帥小伙別得瑟
[shuài xiăo huŏ bié dé sè]
'帥小伙別得瑟' could mean 'Handsome lad, stop showing off.' This indicates admiration for a handsome man’s appearance while criticizing or teasing him for being overly arrogant or conceited due to his good looks, encouraging more modesty or humility instead.