Definitions by Kamiannerella

twin cousins 

Its when you and your cousin acts very similar to each other that people calls y'all twins but some things are different about y'all.

Guy: is that your twin sister?
Girl 1: no that my cousin
Guy: but y'all act similar and look the same
Girl 2: we're twin cousins

twin cousins by Kamiannerella June 22, 2016