Shlock, also spelled as schlock, is a Yiddish term that refers to low-quality products or cheap merchandise. Words that have similar meanings to shlock are cheesy, tacky, or sleazy. The term also indicates something that is of little value, vulgar, or tasteless. You can use words like trash, junk, or rubbish to convey the same meaning as shlock. Another synonym could be flimsy, as it indicates something that is of low-quality and unsubstantial. You can also use words like gimmicky, lowbrow, or inferior to describe the shlocky items. Therefore, when you want to describe something that is of little worth or quality, you can make use of any of these synonyms.