It can be used as a noun, adjective or a verb
*note: please make sure the your Peak-a-boos are received by your boo and not a random person. There have been cases of Peak-a-boos being lost in transmission :)
"honey... i am Peak-a-booing you from a distance. with love"
"wow... that gorgeous guy just got Peak-a-booed by that girl over there"
"they are so Peak-a-booey"
:) :) :)
2 - When a woman shows quickly her boops, sticking up her shirt. It is usual on heavy metal concerts. Normally when a woman do it, it is about the female pride and domination.
3 - It is when a woman's cleveage is so open that she displays her tits as well as "she doesn't want".
4 - A lethal woman strategy of sensuality.
2 - Black Sabbath concert. Dirty woman playing. Girlfriends up on the crowd. They are showing her boops to camera talking: PEAK A BOO!
— Anh... Dear... You have to take up your shirt...
— Oh... I am sorry... I was peak-a-boo on you, huh?
4 - Damn! She made peak-a-boo on me and I didn't eat her! Oh, fuck.