i was trying to decide which two or three shirts to buy in macy's when my [mathematically]-[challenged] wife went arithmechick on me
the [inexplicable] [ability] of an otherwise [mathematically]-[challenged] [female] to [transform] while [shopping] into a [math] [whiz] who can [calculate] multiple [sale] prices and tax in her head
"i was trying to decide which two or three shirts to buy in macy's when my [mathematically]-[challenged] wife went arithmechick on me" What is the definition of "arithmechick"?