The DJ hip hop siren is a long-running sound effect associated with rap mixtapes, club DJ sets and hype man intros rather than one single modern meme source. Variations of this siren have been used for decades in party culture to signal a drop, entrance or high-energy moment. Online, it remains popular in sports edits, comedy clips and throwback style videos because the effect is instantly recognizable and quickly raises the intensity of a scene. It is often grouped with other exaggerated hype sounds like the MLG air horn.