"Foot Fungus" is a song by American rapper Ski Mask the Slump God, released from his debut studio album Stokeley (2018).
He also used a censor beep sound effect throughout the song, which according to him: "It makes you think of something illegal.
If you're casually listening to this beat or to this song, these little effects are going to be the things that makes someone go, 'Oh, what was that?'
"[1] In the song, Ski Mask the Slump God interpolates "Drop It Like It's Hot" by Snoop Dogg featuring Pharrell Williams.
[2] John Norris of Billboard wrote in regard to Stokeley, "the good times are delivered on tracks like the bouncing 'Foot Fungus'".