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A game much beloved of students whereby the ultimate purpose is to end up in bed with a total stranger. As you do. Basically you turn up to the pub and get given a number (all blokes have even numbers and all girls have odds or vice versa). From this relative safety of anonymity you can leave a message up on a board, something of profound intellectual significance like "Number 31 you are really fit" or "fancy a shag Number 25?" Hopefully there will be so much booze going round that sex is inevitable, and you're guaranteed to wake up in the morning feeling slightly disgusted with yourself and quite possibly an STD. Great fun.
I went to that shag tag last night, ended up with the clap.
by James B June 21, 2004
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1. A game where the objective is to run around and catch the other person. Upon catching said person, the two of you shag. It's as simple as that.

2. A song by Prozzak.
We're all alone today. . .you up for a game of shag tag?
by Calico Wolf February 26, 2006
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dude1: Did you ever hit that julia girl?
dude2: I totally creamed on her shag-tag.
dude1: Nice. she did like it doggy style.
by bcoe January 31, 2008
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A girl wears gummy bracelets AKA 'Shag Tags', and when a boy breaks one of these bracelets it means that the girl has to do a particular sex act with that boy. If a girl wears these bracelets, depending on the trend, it can show what she is willing to do or what she has experience of doing.

They were originally an 80's accessory but by the 90's they became known as 'shag tags' and in some area's today they are commonly sold as such. Similar ideas have been going around for decades, such as if you pull a ring pull off a can it granted you a kiss, if you peeled a label from a beer bottle it meant you'd get lucky - for the most part these were silly games, not taken seriously. Shag tags are a trend amongst teens all over the world, and like most trends they reappear every few years in different forms.

Different types, colours and thickness's mean different sexual acts, this differs from group to group, but commonly black means full sex, brown means anal, yellow hugging, purple kissing and so on. As the trend takes off stores start to stock different types so the meanings become more complex or the meaning is given more emphasis - e.g. a thicker bracelet may be seen as more of a serious promise of a sex act when broken.

For the most part this trend is a silly fad followed by young teens interested in sex, like giggling at photos of breasts in sex ed classes, however there is serious concern about premature sexualization of young teens.
Girl will say to a boy - 'I'll let you snap my shagtag' - then offer up whatever colour shows what she is willing to do, the boy snaps the shagtag and the girl panics thinking it may mean he expects her to carry through with the promise.
by Bloodheart October 02, 2009
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The process of shagging a male or female then tagging them in a social networking post in the morning after the deed is done, thereby making all social media aware that you have enjoyed sexual relations with that person. Pictures, videos and locations that can be added to the post make the shag tag more meaningful.
Have you seen the Shag-Tag on Facebook?

Steve Shag-Tagged Jenny!
I can't believe Sarah posted a Shag-Tag with Mark!
John is in bed with @Linda
by BigFotherMucker September 28, 2011
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