Based on the web search results, “Send It To Darrell” appears to be a phrase and merchandise associated with Lala Kent, a cast member on the reality TV show Vanderpump Rules. The phrase originated when Kent told her fiancé, producer Randall Emmett, to “send it to Darrell” during an argument, seemingly referencing a person who could handle the situation (though the identity of Darrell is unknown). The phrase has since become a meme among fans of the show.
Drama Shirt has released “Send It To Darrell” merchandise, including hoodies, sweatshirt … in many colors that retail.