(n) Word used to describe a person similar to loser or brown nose.
Low on the social ladder, tagalongs usually follow more popular people around everywhere they go. Usually ending up pissing off everyone involved.
1) "Look at that fool Abraham, he keeps following Wu around like a dog. What a tagalong!"
2) "Look at that desperate idiot, stalking that girl, loser tagalong"
An annoying individual who acts as a leach and keeps pestering and following you or your friends around. Unable to take care of themselves, conversations are usually one sided and dull, full of narcissistic self-talk.