Define Foster Mother Meaning

Foster Mother
a dorky brother and his girlfriend who you suspect bean cows and are very touchy about cookies.

this was formed from a "friend" who had a stupid fgirlfriend who loves cows and beans.

would you stop you stupid clit-ass foster mother.
By Lauraine
Foster Mother
non-cursing equivalent of mother fucker

Joe: My teacher just gave me another essay!
Your Mom: OMFG!!!!11one1 That foster mother!
By Tallulah