A great Green Day album. It ties in with the other cd "dookie" because, as lead singer Billie Joe says, "When you take a s--t in the toilet, that's the sound it makes is kerplunk."
by Haushinka November 18, 2003
Get the Kerplunkmug. the sound of a huge shit hitting the toilet water after 5 days of constapation; a splash that hits your anus after dropping a terd
Maia wished she could go kerplunk right now but she's had one too many fudgepacks - it's stuck up there!
by Chris & Maia July 13, 2002
Get the Kerplunkmug. Green Day's second album made after John Kiffmeyer left for only god knows after 1039/Smoothed Out Slappy Hour came out. Also awesome has one of Tre's many songs on it. 
~song~
Dominated Love Slave
~song~
Dominated Love Slave
me: I have every CD except Kerplunk I mean yeah I didn't buy 1039/Smoothed Out Slappy Hour but I do have all the songs ^-^
Billie: well you want me to give you a copy?
me: SURE!
~I get Kerplunk and is happy ^.^~
Billie: well you want me to give you a copy?
me: SURE!
~I get Kerplunk and is happy ^.^~
by The CD Kerplunk ROCKS! September 2, 2006
Get the Kerplunkmug. by Mr_Chuckles July 31, 2003
Get the Kerplunkmug. The sound of witch a shit comes out of you anus and drops into the toilet making a "kerplunk" sound and also can cause splashing the butthole.
by ZittsViaCoo January 31, 2017
Get the Kerplunkmug. let's play kerplunk!!!!!!!
by matt January 17, 2004
Get the Kerplunkmug. by Dazma October 25, 2004
Get the Kerplunkmug.