kukac

Etymology
From Kajkavian.

Noun

 * 1) maggot soft, legless larva of a fly or other dipterous insect
 * 2)  at sign, at the symbol @, most commonly used in email addresses
 * 3)  willy, wee-wee penis, especially that of a prepubescent boy
 * 1)  at sign, at the symbol @, most commonly used in email addresses
 * 2)  willy, wee-wee penis, especially that of a prepubescent boy
 * 1)  willy, wee-wee penis, especially that of a prepubescent boy
 * 1)  willy, wee-wee penis, especially that of a prepubescent boy

Etymology
The word entered the standard language from the Kajkavian Serbo-Croatian dialect, morphologically from + diminutive suffix.

Noun

 * 1) insect
 * 2) bug
 * 3) beetle