Touchdown is a common term used in American football, which means scoring points by carrying the ball into the opposing team's end zone. However, there are many other synonyms for touchdowns that can be used to add variety to your writing or speech. Some of the common synonyms for the word touchdown are "TD," "score," "major," "touch," and "six points." Moreover, there are also some colloquial terms used for touchdowns such as "dotting the I," "crossing the goal line," and "flipping the pigskin." Using these synonyms for touchdowns can make your writing or speech more engaging and interesting, and it can also show your command of linguistic diversity.