Dennis Bouman (3 May 1970 – 24 March 2024), known professionally as Def Rhymz,[1] was a Surinamese-Dutch rapper best known for his humouristic raps.

[2] He was the first Dutch rapper ever to hit the number 1 spot on the Dutch Charts, with two songs: "Doekoe" in 1999[3] and "Schudden" in 2001.

[4] Bouman went on to collaborate with the otherwise English-language trio Postmen on a cover version of "De Bom ",[5] the chart-topping 1982-hit by pop/reggae-band Doe Maar for inclusion on a tribute-album.

[6] Bouman died of heart failure on 24 March 2024, at the age of 53.

This biographical article related to hip-hop music is a stub.