cheap sake; cheap alcohol
Refers to inexpensive, often low-quality sake or, more broadly, cheap alcoholic drinks. Can carry a slightly dismissive tone.
I drank too much cheap sake and have a headache.
Compound of 安 (yasu, 'cheap') and 酒 (sake, 'alcohol'). The reading やすざけ follows rendaku voicing of さけ to ざけ.