Yuck \Yuck\, v. i. [Cf. G. jucken, D. yeuken, joken. See Itch.] To itch. [Prov. Eng.] --Grose.
Source: Webster's Revised Unabridged Dictionary (1913)
Yuck \Yuck\, v. t. To scratch. [Prov. Eng.] --Wright.