" single-digit "

 [ "Single Digit Midget" ]

1: Primarily used in the military to refer to someone who has been on an extended deployment and now has less than 10 days left before going home.

  * e.g.,  ... Only nine days left before I get home, I am a single digit midget! 

 [ "Single-digit IQ" ]

1: Jokingly describing some one with narrow mind of the world, or have low understanding on everything, or some one with idiotic behaviors or mind. Single-digit refers to a number from 0 to

  * e.g.,  ... The guy's got a single-digit IQ, he's full of crap. 

 [ "single digit club" ]

1: a gamer who only gets single digit kills

  * e.g.,  ... two kills yo?! ur definitely in the single digit club 

 [ "Single digit income" ]

1: An income that's less than $ 10000 a year. What the major percentage of the United States working population earns for a living.

  * e.g.,  ... Your friend: Hey did you check out Rob's new ride? It's off the hook. 

 [ "single-digit-year-old" ]

1: a kid on the internet, can be used to refer to a kid in general

  * e.g.,  ... Kid: L Gay