Here are 16 emoji stocking stuffer ideas for you this year:
Emoji Stationery Set (Target, $1)
Emoji Poop Lollipops (Michael's, $2.49)
Emoji Antibacterial Hand Wipes (Dollar Tree, $1)
Emoji Stickers (Michael's, $3.99)
Emoji Paperclips (Michael's, $3.99)
Emoji Lindt Chocolate (Michael's, $?)
Emoji Lollipops (Michael's, $2.49)
Emoji Poop Sticky Notes (Michael's, $?)
Emoji Zipper Pouch (Michael's, $?)
Emoji Stress Balls ($1 each at Michael's or set of 24 from Amazon for $18)

Emoji Cup (Walmart, $2)

Emoji Pez Candy (Snyder's Candy, $2.49)

Emoji glow bracelets from here
Emoji putty, anyone?
This little poop guy and surfboard emoji were found in Target's dollar bins (aka the happiest place on earth).
Finally, this emoji eraser set from Target is 3 bucks for 6 erasers. You could give the entire set in a stocking or open it up and drop a few in each stocking if you have multiple kids---be warned though, they may fight over who gets the poop emoji!
--55 Christmas Gifts for Tween Boys
--Stocking Stuffers (non-candy) for 2-4 yr old boys (or girls!)
--39 Gifts for Senior Citizens
--Stocking Stuffers (non-candy) for little kids (under 2 yrs old)
--Stocking Stuffers (non-candy) for 8-10yr old boys (or girls!)