A sexual act performed between friends, also know as a friendy
A derivation of bj, hj, and handy which can include any sexual act performed by friends. Usually a form of pity, but sometimes mutual relief.
Friend 1: did you get laid for your birthday?
Me: no, i just got a friendjay from Trisha.
Female friend: I'm so sorry about your breakup, can I help?
Me: how about a friendjay?