Abbreviation of Dont Give A Shit. The lazy, not-caring persons motto. Can be used in different ways eg:
1) instead of saying 'I dont give a shit'
2) as a verb
3) a random exclamation
1) 'I got so drunk last night'
'really, well DGAS, its not that interesting'
2) 'I dont want to go to school today, lets DGAS it'