Top definition
To smack someone on the back of the head with an open hand. Derived from the trademark slap delivered by the character Leroy Jethro Gibbs to his underlings on the T.V. show N.C.I.S. To deserve a 'gibbs' or a 'gibbs-smack' the person getting it should have done something stupid, vain or dangerous.
When I found out he was cheating on his gf that was one thing; when I found out the asshat was hitting on jailbait in her favorite bar, I gave him a gibbs he'll never forget.
by shoopyou March 30, 2009
Get the mug
Get a gibbs mug for your fish Paul.
Jun 23 Word of the Day
When a reply to a tweet gets more likes than the tweet it was replying to, usually indicating the unpopularity or stupidity of the original tweet
Damn you got 12 likes and his reply got 271 likes? He totally ratioed you bro
by FF29 July 06, 2020
Get the merch
Get the Ratioed neck gaiter and mug.
Former marine gunnery seargent,Leroy Jethro Gibbs, the main character on the hit tv show NCIS, played by Mark Harmon.

also known as "Bossman", "Boss", and "Silver Fox".

aka: the most amazing man to ever grace the world with his presence.
Ex: Person 1: "Hey, you know who ISN'T reading this definition???"

Person 2: "GIBBS!!!!"
by GibbsGirl August 24, 2009
Get the merch
Get the Gibbs neck gaiter and mug.
To roll. Any form of the word roll can be used in this context.
'I totally gibbs'ed my car going round that bend too quickly'
'Can you gibbs me a cigarette please?'
'I had a lovely cheese gibbs the other day'
by H.Dawg January 06, 2012
Get the mug
Get a Gibbs mug for your Facebook friend Callisto.
a legendary god who pleasures females until ecstasy with his large penis

(also has 12 testes)
ohh my gog look at gibbs and his massive manpole
by Gog December 20, 2004
Get the merch
Get the Gibbs neck gaiter and mug.
I have got a couple of gibbs in me purse. OR I ain't got any gibbs to go out tonight.
by Ems August 05, 2003
Get the mug
Get a gibbs mug for your bunkmate Manley.
When you spit and any of the saliva lands on your person.
Oh man, I totally just gibbed on myself.
by Steven Snowdon November 29, 2006
Get the mug
Get a Gibb mug for your mate José.