STD

An acronym that refers to a disease that is spread by sex.

STDs can have varying effects, but most are treatable or curable. Some of the most common STDs are genital herpes, HIV/AIDS, chlamydia, gonorrhea, and syphilis.

Scrap TD is an online 1vs1 tower defense game available for Android devices that gamers often refer to as "std." It is the ninth game Schrott Games developed and published.

In the game, players send barrels to defeat the opponent's base while building up defenses to survive the barrel onslaught from opponents. They can upgrade their defenses and barrels with currency they earn from battles and victories.

Players compete in different arenas and choose from various unlockable barrels, including Lurid Layered, Danger ZZone, Mobile Delivery, and Christmas. Examples of defenses include Gatling Gun, Double Pain, and Tesla Tower.