look up any word, like twoosh:
 
1.
Derived from the SA in the name of welsh beer 'Brains SA.' The reason being after a few pints of brains the resulting hangover will be so bad you will feel as if you're skull is under attack.
Rhys: 'I feel like a pig shat in my head'

Huw: 'Skull Attack was it last night boyo!'
by Lord Manhammer January 13, 2009