Someone who used to be a stranger, but you know now. (An ex-stranger) Also can be used to refer to a fan of indie rock band, The Extrangers.
by Guitar_Man_15 October 07, 2019
I ran into my ex yesterday and she acted like she didn't know me. Looks like i'm an extranger to her
by Jehhre7d April 17, 2017
Whenever your university offers an extra semester abroad (aka exchange) but it's complimentary to your degree — i.e., you don’t need it to graduate.
I finished my BA degree this summer but my school offers an extrange, so I'll study an extra semester abroad! Isn't it cool?!
by BabyDooh February 09, 2021
by BabyDooh June 18, 2018