adj. Describes an alcoholic beverage that serves to keep one's level of intoxication roughly constant.
A couple of hours after getting buzzed, Fred decided that another beer would be isoalcoholic, and without one he would swiftly descend back into sobriety.
Literally just an acronym meaning "I feel so alone and empty, help me." Usually said with excitement to add irony to the meaning. A great way of saying how you feel internally without anyone worrying.
Dude who is clearlydrunk, high, turning up or all 3: IFSAEHM MUTHAFUCKAS
Most likely to be a Fijian name, it is a very cultured name this person is a chilled and laid back person who is either a young adult or this is either a adult in it early 40s who is an uncle and has an uncle belly if u you know then u know;)