Ma erupts in a frenzy going against the flow (8)

I believe the answer is:

upstream

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

'against the flow' is the definition.
(I've seen this before)

'ma erupts in a frenzy' is the wordplay.
'in a frenzy' indicates anagramming the letters.
'ma'+'erupts'='maerupts'
'maerupts' is an anagram of 'UPSTREAM'.

'going' acts as a link.
I am not very happy about this link. It may belong to another bit of the clue.

Can you help me to learn more?

(Other definitions for upstream that I've seen before include "Against a river current" , "Towards (river's) source" , "Against a river's natural flow" , "Eats rump (anag)" , "away from estuary?" .)

I've seen this clue in The Telegraph.

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.