Generally refers to a member of the homo sapiens species whose characteristics include a larger than 4 sized cranial region (typically 5) as well as an astonishingly large cockadoodle dingle.
Girl: Is that an Ashwin?
Anisha: No, he is too spicy and has more than a 4 head.
Girl: a 5-head?
Anisha: Yeah, likely an Arno
Anisha: No, he is too spicy and has more than a 4 head.
Girl: a 5-head?
Anisha: Yeah, likely an Arno
by cockadoodle dingle October 25, 2022

by Famusa October 15, 2015

by NotErnie September 15, 2021

An arno (or how frequent visitors of the French Alps refer to it: 'arnootje') refers to the act of running, skiing or boarding into someone ánd blaming the victim.
by pancakeshizzle September 25, 2016

by Arno385 July 05, 2020

Someone with the biggest cock in the world, and can make a female in your family moan louder than that one retard in call of duty voice chat.
by Darklord 16 November 17, 2020

Imposter - "Hey arno"
Crewmate - "Whats is an arno"
Imposter - "that's so sussy baka"
Therefore, due to the calculation done above, arno does not exist.
Crewmate - "Whats is an arno"
Imposter - "that's so sussy baka"
Therefore, due to the calculation done above, arno does not exist.
by The Best Kind of Lucas April 05, 2022
