Usually a gay man or woman who is a close friend and supporter of confident, sexy, self-loving big girls.
"My fat hag wants to go take me to Torrid today."
by Fattie Lovings April 23, 2012
Fathags are young gay men that enjoy the company of larger women.
At the BBW party the fathags were in full effect, making all the plumpers feel extra special.
by bettyrevenge July 19, 2008