To find the vag in a bush and when you find it, or seek it, you stick it in or "tag" it
I played hide and seek tag with my hippie girlfriend
To take another male's (a nerd's) mathematical calculation device and, while they aren't looking, slide it in your pants so that he can't get it back without being a faggot.
I was forced to Hide His Calculator while Kyle was in the bathroom listening to Pascal fap
What (actual) geeks have to do in situations where their nerd knowledge and/or abilities (with computers, video games, internet, et cetera) would come in handy, but using them would reveal to everyone that they are a geek. The phrase itself is taken from Dragon Ball Z. Also extends to anime fans who hide their interest to avoid being labeled as a weeaboo, or weeaboos in a social setting who actually manage to shut the fuck up for once.
1. They had a video game tournament at my college last week that even included Starcraft. Despite how well I know I would have done, I chose to hide my power level in order to keep up appearances. Hide your power level.
2. I was walking through town with friends when we happened upon what appeared to be a cosplayer gathering. Though I could name every character, when my buddy asked what the shit those guys were doing, I hid my power level and told him I had no idea.
When 75% of something mysteriously disappears.
Jill's lemonade is playing BP hide-n-seek! My guess is that roughly 25% has absorbed into the cup, 10% has killed the surrounding wild life, and the remaining 40% has ruined the tourism economy.
Osama Bin Laden, hide and go seek champion:2001-2010
A terrorist was the hide and go seek champion for nine years!