Iggy Azalea's boyfriend claims a dolphin tried to kill him to get close to the singer.

Nick Young, who has been dating the 'Black Widow' hitmaker since 2013, says one of the mammals tried to drown him while they were on holiday in Cabo San Lucas, Mexico because it was jealous of his relationship with the Australian beauty.

Recalling the terrifying encounter, the Los Angeles Laker player said: ''A dolphin tried to kill me for some reason. He was playing with everybody else, doing what dolphins do - the 'ack, ack' and all that. It was my time to ride the dolphin. For some reason, he took me all the way to the bottom. He was trying to drown me. But I saw it happening so I jumped out of the water and took off the little life vest and threw off my little water shoes and stayed outside.''

When asked why he thought the dolphin tried to hurt him, the 29-year-old athlete told ESPN: ''He was trying to kill me. I think he was trying to get at Iggy. He was a little friendly, kissing her and stuff. He was trying to take my woman.''

Iggy, 24, confirmed the story on Twitter, writing: ''Nick is scared of Dolphins. A dolphin in Cabo tried to kill him once. I was there and to be fair, it's true. Now he won't go on the wild dolphin snorkel tour. Lol (sic).''