not on

something that is not right

oh, i shagged my mates wife last night
jesus, thats not on

not on by zac November 24, 2003

not on your nellie 

a shortened version of "Nelly Duff". Nelly Duff = puff (breath) in Cockney rhyming slang. 'Not on your Nelly' is used to mean 'Not on your life'. "Breath" is synecdochical for "life"

See:
http://www.english-for-students.com/Cockney-Rhyming-Slang-N.html

Steve

There is no way you are going to get money out of me. Not on your nellie.

not on your nellie by SteveB47 March 25, 2009

Not on a wednesday 

A phrase used in the Aristocracy led by Lady Josephine, which refers to the awfulness of being mid-week. Often used as a phrase in which you express your dislike of anything mentioned, and how uncopeable it was.

Example: Girl 1: I just saw an orange woman with black hair wearing lime green.

Boy 2: Not on a wednesday!

Not on a wednesday by angelofporcelain December 17, 2007

Not on the hip

When one doesn't have something available or on hand for immediate use or distribution

Matt: Hey Jimmy, do you have that video of me dogging that chick from a few weeks ago? I'm trying to show my boys right now.

Jimmy: Nah, not on the hip sorry brotha

Not on the hip by HugeBeast69 May 6, 2021

not on fire 

what no two people are

"No two people are not on fire. Aww..."

not on fire by moe October 10, 2004

not on speaking terms

(1) Individuals are "not on speaking terms" when a negative emotion (anger, jealousy, pride, etc.) eliminates the willingness to speak with another.

(2) This expression can also be applied to inanimate objects that are not working well together.

Didn't you hear? Michelle and Rachel are not on speaking terms. Rachel is pissed by what Michelle said earlier. I told Rachel she is better off confronting Michelle than bottling up her anger.

My 217 paint brush and I are not on speaking terms, Cecil! Go to the art store and pick up Versamanna brush. I will not look like an amateur in front of the Royal Painters Academy of Florence!

not on speaking terms by RavishingRuby April 7, 2008

Not on the dime 

in referring to an illegal object, the awareness that theres currently no product in stock but absolution that it'll arive soon.

adam : yo, u got w8?
me : not on the dime my damie. wa da ta.
adam : speechless

Not on the dime by 727hoodins August 21, 2009