Skip to main content
When someone completely loses the plot and goes mental at you for no reason. The word can be used in both funny and serious situations.

Teachers, partners and mothers are most likely to be described as going "tonto".
Person 1: "You coming out tonight?"
Person 2: "Sorry can't my mum's gone absolutely tonto for no reason and she's lost the plot."
Tonto by littlefish March 11, 2014
the spanish word for people that are dumb, retarded,
este nino es moy tonto
tonto by Bryan Prado February 9, 2005
Tonto was the sidekick of the Lone Ranger in the old westerns.
The Lone Ranger and Tonto are walking in a meadow when Tonto gets off of his horse, leans down and puts his head to the ground. When he comes back up he says, "Whoa....many buffalo come." and the Lone Ranger asks, "How do you know?" Tonto replies, "Ear soaking wet."
tonto by E Newt November 24, 2006
Someone who is a tonto is a stud and is very strong. Others would say they are a pimp.
Man I wished I was tonto.
Tonto by OGpimp69 November 21, 2022
Abbreviated slang for Toronto.
Are you going to downtown Tonto this evening?
tonto by Brands May 6, 2010
That Joey guy is such a Tonto
Tonto by Libbokiddo August 27, 2022