A verbal expression of annoyance over the patronising, imbecilic nature of parents who believe that holding their hands over their face immediately turns them invisible, and that removing their hands and then proceeding to say peekaboo, will amaze and shock the audience (often young children) into believing their parents are talented magicians who have an unbelievable power to disappear off the face of the Earth and then miraculously reappear.
*Baby looks in awe at spastic parent making goo-goo, ga-ga sounds*
Daddy: Aaaaaaaaaaa-Peeka-!
Baby: Peeka-no. Your face is behind your hands, I'm all over your damn trick Dad.
When you spit on a girls back during the backshot position. Then when she turns around to face you as if you were back in missionary. You climax on her face, to surprise her surprise her with a peeka boo affect.
Me and my girlfriendgot into an argument so i performed the “Peeka Boo Jessica” on he last night to piss her off
In the game Rainbow Six Siege a player (defender) partially breaks open a window or door to get a cheap shot at the enemies. Usually these people are Jäger or Bandt but all players can do this
Attacker: THE FUCKINGLITTLE SPAWN PEEKING JÄGER IS SITTING IN THE WINDOW WAITING FOR US TO FEED HIM HIS LITTLE ACE
Jäger: lol rekt ez