Peekaboo

Peekaboo (also spelled Peek-a-boo) is a game similar to hide and seek, but played with babies. In the game, the older player hides their face, pops back into the baby's view, and says — to the baby's amusement — Peekaboo! I see you!

Jennifer said like ghost to scare you.

Wife Peek-A-Boo! - Funny home videos are a click away