Top definition
A jacknut is a less offensive term used to insult someone.
Derek, you're such a crazy jacknut!
by Harry Johnson April 28, 2003
Get the mug
Get a jacknut mug for your daughter-in-law Riley.
2
a insult usally directed towards a pricish person. Possibly made up while rambling anger towards a person.
God dammit! Ur such a fucking jack nut!
by PoniesArntUs April 07, 2009
Get the mug
Get a jack nut mug for your mom Helena.
4
when a gentleman has very small testicles (or possibly humongously large ones)
check out the jack nuts on him, he looks like brad micklea!
by biz markee August 21, 2003
Get the mug
Get a jack nuts mug for your buddy James.
5
a less offensive term for jackass.something to use when u wanna call someone a name but dont wanna curse

mom:you know jim ur a real jacknut
girl:mommy why r u callin daddy a jacknut
mom:because thats wat he is
dad:(atleast she didnt curse in front of the kid)
by Imani H. May 12, 2007
Get the mug
Get a jacknut mug for your mom Yasemin.
7
n. a moron; one who "jacks nuts" or beats off.
Hey, jacknut you missed the fucking turn back there.
by danielle November 30, 2003
Get the mug
Get a jacknut mug for your Facebook friend Bob.