loulou

Etymology
From by reduplication.

Noun

 * 1)  spitz dog
 * 2)  sweetie, darling, honey (a term of affection, literally "little wolf")
 * 3)  young boy
 * 4)  a guy
 * 5)  a young delinquent
 * 1)  a young delinquent

Etymology
From (by reduplication) or  (by assimilation).

Noun

 * 1) wolf
 * 2) werewolf