Mate gutted on two occasions to be included in viral joke (4)

I believe the answer is:

meme

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'occasions to be included in viral joke' is the definition.
I can't judge whether this definition defines the answer.

'mate gutted on two' is the wordplay.
'mate' becomes 'm' (this might be a standard abbreviation which I don't know about).
'gutted' indicates the central letters (I've seen 'guts' mean this (the insides of the word)).
'on' becomes 'leg' (cricket term, fielding positions).
'two' shows that letters should be duplicated.
The centre of 'leg' is 'e'.
'm'+'e'='me'
'me' duplicated is 'MEME'.

Can you help me to learn more?

(Other definitions for meme that I've seen before include "online phenomenon" , "Often trite image" , "Behavioural trait" , "Transmitted cultural idea" , "Image etc. that spreads rapidly on the Internet" .)

I've seen this clue in The Irish Times.

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