The predicate that compares one thing that is greatly attracted to another. A similar expression to "like white on rice", or "all over him like a cheap suit".
Ex. 1 - "You'd better not insult my girl, Bessy-Sue, no mo 'bout wearin that mumu or I'll be on you like ducks on a June bug". (Implies aggression)

Ex. 2 - "Yes Ma, I'll be on top of my homework like ducks on a June bug". (Implies diligence)
by MeDavebo June 30, 2008
Get the like ducks on a june bug mug.