Robertson's cauliflower left ear is so misshapen it has become a topic of conversation - and no little humour - getting a big run on social media.

NSW Waratahs teammates have given it names from Little Buddha to Little Tommy and Claude.

"I haven't really stuck with one (name) yet," Dubbo Kangaroos junior Robertson said.

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"It's been fine, I'll cop whatever comes with it. It doesn't look that great."

A medical student, 23-year-old Robertson has looked into using equipment from other sports to help protect his ear from further damage.

"I've got a water polo helmet thing and you can stick it on, but I don't know how well that works, especially in a game, it probably wouldn't do much good," he said.

"Cut a hockey ball in half and try to stick it on the side of the head, that's about it at the moment."

Asked how he treats his ear issue, Robertson said: "I've had it drained about 20 times now, so pretty much three or four times a week.

"Either mum or the doctor comes and drains it and then I've tried magnets, blue tack, a paper clip, a lot of stuff."

He said it doesn't affect him in life outside of rugby.

"I normally sleep on my right anyway , so it hasn't been too much drama," Robertson said.

"If you're in a maul or you tackle with your left-hand side at training it hurts.

"But when you're playing in front of 18,000 people as I was on the weekend you've got bigger things to worry about."

From a cosmetic perspective, Robertson is likely to wait until the end of his career before attempting to make it look better.

"I've been told I'm stuck with it for at least 10 years and then maybe, post- retirement, get a little plastic surgery done, a few other things fixed up while they are in there."

While there was plenty of joking during his chat with the media on Thursday, Robertson was serious when discussing the Waratahs’ chance to create some Super Rugby history this weekend.

While a place in the finals is already secured for the men in sky blue, the Tahs aren’t looking any further than this weekend’s clash with the ACT Brumbies.

In Super Rugby history, no Australian side has completed a sweep of the conference but after winning home and away against the Queensland Reds, Melbourne Rebels and the Sunwolves from Japan, the stage is set for the Waratahs at Allianz on Saturday night.

“No one has ever done the home and away sweep of the conference in Australia so we want to put all those games to bed,” Robertson said.

“That’s our goal for this weekend. We’ve looked at that and said no one has achieved it before and its a goal we can achieve this weekend rather than looking ahead at two or three weeks’ time.

“We’re looking at this weekend and if we get a win that’s something no one has done before so that’s exciting.”