Definitions by havers
sas
noun: short for shitty ass; shortened from sass, so as to differentiate if from 'sass' (meaning cool or edgy). Following the UK name for the Special Armed Service (marine commandos) Sas also has connotations of venturing into dangerous places no one else would brave. Someone who does this is a sasser.
verb: to sas - to do someone up the arse, but using their own fecal matter as a lubricant.
verb: to sas - to do someone up the arse, but using their own fecal matter as a lubricant.