живчик

Noun

 * 1)  lively person
 * 2)  sperm cell, spermatozoon
 * 3)  strong artery throbbing (usually on the temple)

Etymology
, or

Noun

 * 1) an artery, in which the pulse can be felt
 * 2)  pulse
 * 3)  a lively, spirited person
 * 4) a popular Ukrainian brand of fruit-flavoured carbonated drinks
 * 5)  spermatozoid