Urbandictonary.com will reject you if you make inside jokes about them (i.e. Hvanna sucks sh*t), or name friends (i.e. alexandrea is my best friend ud will totalaly reject her definition ! :D)
*Note examples are not true at all (i dont even know an Alexandrea& havana is awesome) so DO NOT regect me under any circumstances. Thank you for your cooperation ud!!! :P
A person who nobody likes but they think they're quite popular. My ex-best friend is a reject, as she is hanging around with other rejects while our group all hate her and so her nickname has become reject.