Davíð Tómas Tómasson (born 21 October 1988) is an Icelandic businessman, musician and former FIBA referee.
Refereeing In 2017, Davíð was named an official FIBA referee. In 2019, Davíð was barred from refereeing ÍR's games during the Úrvalsdeild karla playoffs after he posted an Instagram picture of himself and ÍR player Matthías Orri Sigurðarson, alluding to their connection to the Vesturbær district in Reykjavík. In 2023, he was named the Icelandic Basketball Referee of the Year.
In September 2025, he announced that his referee career was effectively over due to communication difficulties with the Icelandic Basketball Association and its referee board.
Awards Icelandic Basketball Referee of the Year 2023
Musical career Davíð has performed under the name Dabbi T since his late teenage years. At the age of sixteen, he released his first single, Þröngar píkur (English: Tight Pussies). In 2007 he released the rap album Óheflað málfar (English: Unrestricted Speech). He was a member of the group 32c along with Emmsjé Gauti and Nagmús. In 2017, Davíð released the album T, his first album in ten years.
Albums Solo 2007: Óheflað málfar 2017: T
Singles 2004: Þröngar píkur 2016: Blár
Business career In May 2024, Davíð was hired as the managing director of Moodup, an Icelandic software company.
Personal life Davíð's sister is basketball referee Georgía Olga Kristiansen. On 7 December 2017 they became the first siblings to officiate together a highest competitive tier game in Iceland.
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