Wendy spatula is a phrase that is commonly used too describe a person that can use a spatula and other cooking equipment extremely well. Also, the phrase may be used for someone who cooks very well. Someone who can flip pancakes well may be referred too as "Wendy spatula". The person who is called "Wendy spatula" is usually a smart and artist person.
"Woah! He flips burgers so well he is a Wendy spatula."
"I wish I was a Wendy spatula, I am so bad at cooking."
"She is such a Wendy spatula!"