Mac Dictionary’s definition:
1 (also blue funk) [in sing. ] a state of depression : I sat absorbed in my own blue funk.
• chiefly Brit. a state of great fear or panic : are you in a blue funk about running out of things to say?
2 dated chiefly Brit. a coward.
verb [ trans. ] chiefly Brit.
avoid (a task or thing) out of fear : I could have seen him this morning but I funked it.
ORIGIN mid 18th cent. (first recorded as slang at Oxford University in Oxford, England): perhaps from funk 2 in the slang sense [tobacco smoke,] or from obsolete Flemish fonck ‘disturbance, agitation.’
1 a style of popular dance music of U.S. black origin, based on elements of blues and soul and having a strong rhythm that typically accentuates the first beat in the bar.
2 [in sing. ] informal dated a strong musty smell of sweat or tobacco.
funk something up give music elements of such a style.
ORIGIN early 17th cent. (in the sense [musty smell] ): perhaps from French dialect funkier ‘blow smoke on,’ based on Latin fumus ‘smoke.’
Funk |foŏ ng k; fə ng k|
Funk, Casimir (1884–1967), U.S. biochemist; born in Poland. He showed that a number of diseases, including scurvy, rickets, beriberi, and pellagra, were each caused by the deficiency of a particular dietary component. He coined the term vitamins for the chemicals concerned.
Bring on the funk! The good funk, not the state of depression.