A Nickname for Ronald Reagan, the 40th president of the United States. Most popularly known for the song "Bonzo goes to Bitburg {My Brain is Hanging Upside Down) By The Ramones.
"May Bonzo Rest in peace"
by DarkOwl November 21, 2004

A “Bonzo” is a dumbass, but a cute, weird, awkward, awesome, funny, and great taste in music kind of dumbass. Bonzo’s also pull a shit ton of people. No one knows why.
by Bonzohead420 August 18, 2022

A name of a French bulldog in the late 90s for a children's comic strip. Known for having a small tale people use this word 'bonzo' to subject that you have a small penis
by Small bonzo September 10, 2022

by tony October 5, 2003

by mark higgins May 5, 2004

by angryyoungman July 13, 2003

God's mortal alter ego, when he sets behind a Ludwig drum set. Lightning fast feet and thunderess beats, combined with an unworldly sense of timing.
Tony Iommi's best man.
AKA John Henry Bonham
Tony Iommi's best man.
AKA John Henry Bonham
by sikedude January 4, 2012
