The phrase "fake bot" refers to a computer program or automated system that pretends to be a real person online. It is used to deceive or manipulate others by mimicking human actions or behavior. Full definition
There were a lot of messages sent, by fake bots that is. (adultdating.net)
Most websites use fake bots and fake messages with fake accounts (hepays.com)
When you sign up for a dating account the people you tend to meet first are usually fake bots — they tend to automate and gravitate towards new accounts, espeically on those most popular dating sites. (idateadvice.com)