According to The Sun (opens in new tab), the United boss tore into his squad after they failed to find a winning goal against 10-man opposition at the weekend.
The Red Devils are now without a win in three Premier League games and sit eighth in the table heading into the September international break.
Solskjaer is said to have vented his frustration in the away dressing room at St Mary's, labelling the display a "joke" and "embarrassing".
The Norwegian also reportedly accused his players of playing for themselves rather than the team, after United failed to implement much of what they had been working on in training.
Solskjaer has demanded an improved performance when United take on Leicester (opens in new tab) next weekend.
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Greg Lea is a freelance football journalist who's filled in wherever FourFourTwo needs him since 2014. He became a Crystal Palace fan after watching a 1-0 loss to Port Vale in 1998, and once got on the scoresheet in a primary school game against Wilfried Zaha's Whitehorse Manor (an own goal in an 8-0 defeat).
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