Another, more exaggerated, pronunciation of the word 'sponge'. The first known saying of this word aired during the Simpsons episode 'The Otto Show', the 22nd episode of the 3rd season.
The word is full of 'lulz'.
Otto: "Your Dad's right, I am a bum"
Bart: "He didn't call you a bum, he called you a sponge."
Otto: "A SPAHUNJE?!"
Tyson: "You were right, I am a bum."
Paul: "I didn't called you a bum, I called you a spahunje"
Tyson: "A SPAHUNJE?!"