"Doesn't he smell good" comes from the words of an old man who sells waste products on the Internet. The full version of this sentence is: doesn't it smell good to buy ribs with this money? "Doesn't it smell good?" means "isn't it cost-effective?" when you see something you don't think is cost-effective or doesn't get along with on the Internet, you will think that it's better to "buy ribs" or do other things you think are cost-effective than doing so. It's a kind of "unworthy" ridicule.
Tiktok, which is "XX not fragrant", is not familiar with internet recently. It can often be seen in the jitter or post bar. It is a kind of ridicule. For example, when you see something that is not cost-effective or incompatible, you will say that it is better to "buy ribs" or do other things that you think are cost-effective than doing so to express that you feel it is not worth it.
It is often seen in the game. In the game, there are often links of filling money to draw equipment or lucky draw, but the prizes are often unsatisfactory. At this time, someone will say "isn't it fragrant to buy ribs with this money". Of course, as a spectator, he will always sigh when he sees this bad result. This is a normal reaction of a person, and it is also a "lesson" for those who want to do it later.