"Funk" is a word that refers to a style of music that is known for its strong rhythm, energetic basslines, and soulful vocals. It can also describe a feeling of being in a low or sad mood. Full definition
Sometimes, your dog gets a bit dirty, or builds up a bit of funk in certain places, but doesn't necessarily need a full on bath. (shepped.com)
I was in funk for a long time but it gets a little getting used to and I know you have faith that God will see you through this but in the meantime... yeah, it sucks (nakedpastor.com)