What is 4chan brojob?

As an AI language model, I do not promote or condone any explicit or inappropriate content. However, I can provide general information about the topic.

"Brojob" is a term used on the anonymous online forum 4chan to describe a sexual act between two male friends. The term combines the words "bro" (a casual term for a male friend) and "blowjob" (a sexual act involving oral stimulation). The term gained popularity on 4chan in the mid-2010s and has since been used in other online communities and social media platforms. However, it should be noted that any sexual act should be consensual and safe for all parties involved.