Sound Ideas, CARTOON, ACCENT - BONKS, POPS

This sound effect can be found on the Series 4000 Hollywood Sound Effects Library, which was made by Sound Ideas.

Clean Full length and Unedited Link to the Sound Effect

The Cat in the Hat Knows a Lot About That! (Heard once in "Flutter By Butterfly" and thrice in "Pretty in Pink".)
Darkwing Duck (Heard once in "Apes of Wrath".)
Eena Meena Deeka (Heard once in "Super Villain".)
Higglytown Heroes (Heard once in "Star Struck" and "Kip's Sweet Tooth".)
JoJo's Circus (Heard often in "Popcorn Panic!" and once in "Charlie the Clown Baby", "Sleepover Surprises", "The Best Breakfast Ever!" and "Hi There, Small Fry!".)
Moose and Zee (Heard once in "Winter is a Wonderland".)
Pinky Dinky Doo (Heard once in a high pitch in "Pinky and the Ice Cream Babies" and in a normal pitch in "Pinky's Big Talent".)
WordWorld (Heavy use of this sound effect.)