SKYWALKER, POP - SMALL SUCTION POPS

These're Skywalker Sound sound effects, probably created by Gary Rydstrom.

Movies

 * Baby's Day Out (1994)
 * Toy Story (1995)

TV Specials

 * Madly Madagascar (2013)

Audio Samples
It perhaps debuted in Baby's Day Out, but a good reference would be in Toy Story when Buzz pulls toy darts off of himself.