A person or character who is angsty, but in a huggable way; a character who is fun to put in angsty situations. Usually a character/person who needs a hug due to their sadness.
"Rya is my angstmuffin."
Someone who constantly grumbles about life and/or complains about anything and everything imaginable.
My friend is such an angst muffin; all he ever does is groan about how terrible his home life is.
If you keep being an angst muffin, nobody will want to hang out with you.
One who is very angsty
but very cute while being angsty.
One who is so angsty that you want to hug him/her.
See also adorable
"John is such an angstmuffin sometimes."
"Yeah, I know, you just want to give him a hug. He's so heart-wrenching."