an abdominal condition in which one's abs can only be seen if in the flexed position or state, then disappear when relaxed.
Man, I think I need to start reducing my beer intake, or switch over to the light calorie crap; my six pack is now their substandard version of peekaboo-abs!
by YumiSpewns October 14, 2011
A posterior that becomes pleasingly apparent for only brief moments due to either a loose skirt or a very skilled owner. Known to stop traffic and cause grown men to wander into traffic, looking over their shoulders.
"The well-built polish girl's peekaboo ass held the attention of everyone nearby...they were all wondering when it would pop up next."
by Undergrace84 November 15, 2006
The heterosexual situation wherein a man, while engaged in doggystyle sex with a woman, suddenly switches from penetrating the woman vaginally to penetrating her anally, much to the surprise of the woman. In this case, 'peekaboo' refers to the surprise element of the situation, 'santa' being a euphemism for the man's penis ('a short, jolly fat man').
by Tangolibre November 24, 2007
Dad with no parental responsibilities. Shows up only when he wants to and bears gifts to make up for not being there, in other word trying to buy his kids love
by Angry momma March 24, 2015
The act of inserting ones head into a womens vagina, and then squirming further, only then to stick your head out of the womens rectum and yelling "PEEKABOO"
by Trenton Marushak May 12, 2011
Dad with no parental responsibilities. Shows up only when he wants to and bears gifts to make up for not being there, in other word trying to buy his kids love
by Angry momma March 24, 2015
by StyreneOxide March 16, 2020