This phrase is thrown around liberally, as the word 'shag' is common etiquette. In this instance, 'wasson' directly translates to 'what is going on right now' and 'shag' means 'friend, buddy' etc. You would use this sentence to gauge the plans of your friends to see if you want to join in.
|Shag||a British term for sex (more popular in the 1990s)|
|Shag||to leave usually quickly (courtesy of Louise Krusi)|
|Shake That Thing||dance, have fun, shake your bootie|
|Shine (someone) on||to deceive with a smile on your face (courtesy of Jefferson Hawkins)|
To shag is a slang term meaning to have sex with someone. An example of shag is a guy telling his friend he had shagged, had sex with, a girl.