Go along and get a little drink outright! (4)

I believe the answer is:

trot

I'm a little stuck... Click here to teach me more about this clue!

'go along' is the definition.
The answer and definition can be both acts as well as being singular nouns.
Maybe you can see an association between them that I can't see?

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for trot that I've seen before include "A slowish run, often by horse" , "Gait between a walk and a canter" , "Follower of revolutionary" , "Go or walk briskly" , "Move quite fast" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.