The phrase "long touchdown" refers to a football player running into the opposing team's end zone from a far distance, scoring a significant number of points for their team. Full definition
Teams can control the ball for four or five yards per try against them (and that is just what Miami, with a driving, control type of offense, might do on September 17), but seldom does the defense permit long touchdown runs or passes. (si.com)
Before the start of the third quarter, Tracy Wolfson asked Nick Saban about the Auburn's long touchdown drive just before halftime. (collegeandmagnolia.com)
After taking a seven - point lead on Beckham's long touchdown catch, they forced a punt after an eight - play Dolphins drive. (sbnation.com)