What does F4F mean?
F4F is a commonly used hashtag on Instagram that stands for ‘Follow 4 Follow’ or ‘Follow for Follow’. Users may tag #F4F on their photos in the hopes that other users see the tag and decide to follow them. Users may also comment F4F on another users photo to directly propose a ‘Follow for Follow’ exchange. This is similar to L4L, or Like for Like, which is popular on social media platforms like Instagram and Twitter.
#F4F = Follow 4 Follow (Follow for Follow)