Born in
Enfield, London, and
Swindon Town in 2005. Slabber made a total of four appearances, including two in Aldershot's defeat on aggregate in the
Conference National play-off semi-finals to
Carlisle United, where he scored in the 90th minute of the second-leg. making three Conference appearances, but failing to score. Slabber was released by Stevenage on 17 May 2007, and signed for
Conference South club
Havant & Waterlooville two months later, ahead of Conference National side
Halifax Town. He also had an unsuccessful trial at
Rushden & Diamonds in July 2007. before re-joining Grays Athletic. On his second debut for Grays, Slabber scored a hat-trick in their 7–0 win at home to
Maldon Town in the
Essex Senior Cup. Slabber scored the only goal in Grays' 1–0 win over
Ebbsfleet United on 26 December 2008, with a header set-up from a pass by
Wesley Thomas. On his debut for Chelmsford, on the same day he signed for the club, Slabber scored in a 2–1 win away to Dorchester. On 3 November 2012, Slabber scored Chelmsford's third goal in a 3–1
FA Cup upset against
Essex rivals
Colchester United. On 2 February 2013, Slabber scored his only hat-trick for Chelmsford, coming against Hayes & Yeading United in a 6–2 win. It was announced on 8 May 2013 that Slabber had joined
Sutton United for the 2013–14 season, before leaving the club for
Bromley at the end of the season. He scored his first goal for Bromley in a 4–2 win over
Maidenhead United on 25 August, after coming on as a substitute. In October, he joined fellow Conference South club
Farnborough on a month's loan, in a bid to regain form and match fitness. In July 2015, Slabber signed for
Conference South side
Hemel Hempstead Town, before signing for
Conference South side
Sutton United on loan until the end of the season in March 2016. He linked up with a former manager,
Mark Goldberg when he signed for
Welling United on 26 May 2016. Slabber went on loan to
Bishop's Stortford during the 2016–17 season, playing four games. Slabber returned to
Grays Athletic on 14 June 2017. He was released in 2018 and subsequently retired. ==International career==