It's not just any party cup; it's the king of the keggers. Born in the '70s, the ubiquitous red cup is the official drinking vessel at barbecues, fairs and college parties across America.

One involves red solo cups and party favours and has simple rules, so anyone can get involved. READ MORE: 'I found super-rare item in attic – it's worth a fortune and you might have it too ...

This is the perfect Christmas party game for all the family, and requires red solo cups and a ping pong ball. December 25 is nearly hear and many of us are gathering with our families for gifts ...

The red Solo cup — a keg party staple for decades — has switched from a round to a square bottom (see photo above), and there is much online chatter about the receptacle's prominence in America.

Snopes previously reported that Dart Container Corporation, Solo’s parent company, said: “The lines on our Party Cups are designed for functional performance and are not measurement lines.

RED Solo cups are synonymous with partying, ... But as handy as the lines are for party games and casual gatherings, they're actually not intended for measuring alcohol.

File - Country music recording artist Toby Keith holds a red Solo cup as he performs on NBC's Today show at Rockefeller Plaza on July 5, 2019, in New York.

Red Solo cups have become an iconic symbol at American parties. The Solo Cup Company originally produced paper cups, but the red plastic cup was introduced in the 1970s and became an instant hit ...