flex
/flɛks/Loanword from English flex
to show off
Anh ấy luôn flex xe mới của mình.
He always shows off his new car.
informal
To display something in a boastful way, often to impress others.
Cô ấy vừa flex chiếc đồng hồ đắt tiền trên Instagram.
She just showed off her expensive watch on Instagram.
Common among youth and on social media; can be perceived as arrogant if overused.
Từ Điển Việt Anh