pissah adjective 1exclamation 1forms 2 adjective[after a verb]1 •(US, slang) Good, great, excellent; amazing, impressive, remarkableHey, Mike, that tool rack that I made for my workshop is working out pissah...man, you should see it! exclamation1 •(slang, vulgar) Used to express excitement.The cleaning supplies are already unpacked? Pissah! formsmore pissah · most pissah