Misrepresentation??Implied term??

Yesterday went to the Joint again!!!for our supper...and drink some beer there...we taught that we suppose to get 50% discount for student price...but we didt realise that today was a public holiday(Dunno wat's the fucking holiday is dat)...so we dun have any discount on the eve...OMG!!!WHAT THE HELL!!!We already request it before we went there...the staff said that we have this priority...but at last.....WE CAN'T GET IT!!!!!!!!haih...lastly our bill are about 300 bucks ++......but we didt blame the staff ...because he is a foreigner,and he dunno that at all...he is so innocent!!and we also dunno that thats a public holiday on today...but we blame the boss!!!he should tell his staff about this....WTF!!but its ok...at least we had fun there....but i think no more JOINT!!!We leave there around 12.30am sumthing,and continued to joy's house....we sat in the garden....chilling....and played games...chit chatting...wow...it is cool...untill 4am...then juz went back with ivan.