To be a nelly bottom is similar to being a piggy bottom, power bottom, or pig bottom. To be a nelly bottom is when you, the gay man, strive to have your anus pounded with another guys penis. Being a nelly bottom means you can take any size, length, width that is thrusted your way. Making sounds such as nelly, makes you a nelly bottom. Not a high pitched moan or even a wimper like some pig bottoms will do, but to make a "Nelly" sound of complete enjoyment. Loving it and making a lower pitched yet steady beat of non stop anal intercourse.

A buzz word being used to refer to creators and influencers forming or encouraging unhealthy relationships with their fans. Usually used in the context of young audiences feeling they have a relationship with the influencer due to the huge amount of the influencer’s content they consume. The influencer in question, however, is unaware of the fan’s existence other than the general knowledge of having fans. Common examples include Dream and his stans. These relationships are exacerbated by the influencers confirming they have more than a creator-to-viewer relationship.

The word is circulating due to various YouTube essays about the phenomenon using the word, and therefore people who enjoy complaining about influencers repeating what they heard in the video in any comments section they can find.

A gay man who treats his asshole like a girl treats her pussy.

A nelly bottom has a yearning and a desire for anal penetration at all hours of the day or night.