Aunt Mildred
The go-to name Americans use for their aunt, or other distant female relative, when they don't want to use a real name.
Last Christmas my Aunt Mildred got me a sweater and mittens.
Joe's Aunt Mildred has seventeen cats and eats nutra-grain bars for dinner.
Joe's Aunt Mildred has seventeen cats and eats nutra-grain bars for dinner.