What does "go ahead" mean in sports?

[VishaltotheG]

When someone says "he scored a Go ahead touchdown" or "he hit a go ahead jumper" what does that mean?

[L.Kizzle]

Said person scored with their head above the go line.

[VishaltotheG]

There you go.

thanks

[Hibachi!]

lmao, it means he scored to take the lead.

[johndeeregreen]

Kizzle hit the nail on the go ahead with his reply.