This is the difference between female and male aegyo
While most idols practice aegyo in one form or another, there are definitely differences between male and female aegyo and these GIFs are a perfect example.
Aegyo is, arguably, a core part of the K-Pop experience, as idols often perform aegyo as a way to endear themselves to their fans. While both male and female idols do aegyo, the different genders definitely have different styles. Female idols tend to act extremely, almost cartoonishly, cute, while male idols tend to be cool and manly even while doing silly aegyo.
The following GIFs are examples of the differences between feminine and masculine aegyo: