Cooties premiered in 2004.
 The phrase is most commonly used by children in elementary school aged from four to ten; however, it may be used by older children in a sarcastic or playful way
== Other terms ==The lice of the First World War trenches nicknamed "cooties" were also known as "arithmetic bugs" because "they added to our troubles, subtracted from our pleasures, divided our attention, and multiplied like hell

