When all you do is post pictures of your boyfriend or girlfriend on social media to the point where people get annoyed

Insta-PDA-er stands for people who flaunt their love in public displays of affection (PDA) on social media, typically not realizing that the likes on those posts are obligatory, which feeds in to their desire to flaunt their relationship in everyone's feed.

Insta-PDA-ers also tend to post PDA to either A. Make themselves feel wanted or superior to others or B. Are insecure of their relationship, thus resorting to bragging about it.