What is the meaning of marshmallow peep here?
Ross: Yeah, uh, except for the red sock, which is still red. I'm sorry, please don't be upset, it could happen to anyone.
Rachel: ... Oh, god, I'm gonna look like a big marshmallow peep. ... I can't even do laundry!

Question

What is the meaning of marshmallow peep here?
Ross: Yeah, uh, except for the red sock, which is still red. I'm sorry, please don't be upset, it could happen to anyone.
Rachel: ... Oh, god, I'm gonna look like a big marshmallow peep. ... I can't even do laundry!​

Answer

see link: It is a sugar covered marshmallow shaped like a baby chicken. http://static1.squarespace.com/static/537e88a6e4b078fc56661bfc/t/55198a1fe4b039970f27f1d4/1427737120498/