Not know whether one is Arthur or Martha 

An Australian colloquialism; to be in a state of confusion.
Often used in a threatening or otherwise negative context.

To not know whether one is Arthur or Martha

If that bloke goes anywhere near my girl, I'll bash him so hard he won't know if he's Arthur or Martha!

Not know whether one is Arthur or Martha by MrKapper July 9, 2006

that one is so old i fell off my dinosaur 

a comeback.

for e.g.

P: your lame
M: your mom is lame
P: that one is so old i fell off my dinosaur

that one is so old i fell off my dinosaur by zanethecamel April 13, 2011

which one is this 

A South Afrikan question used to gain clarity over a genuinely confusing topic/occurrence.

E.g. Thabo sees giraffe meat offered as a platter at a restaurant in Sandton.
Thabo: Eh! Which one is this now ?

which one is this by iicebear23 September 12, 2019

INSTRUCTIONS - while water is boiling smash the fuck out of your bag of shrimp TOP RAMEN but be careful to not just throw bag on the ground like you would normally do because remember this one is missing your bag of seasoning. Dont want to fuck up your 

HAHHAHAHAHAHHAAAAAAAAAAAHAHAHAHAHAHAHHAHAHA BLUE TEXT OMG OMG OMG BLUE TEXT IM SO FUNNY LOL HAHA BLUE TEXT

INSTRUCTIONS - while water is boiling smash the fuck out of your bag of shrimp TOP RAMEN but be careful to not just throw bag on the ground like you would normally do because remember this one is missing your bag of seasoning. Dont want to fuck up your spread by throwing your noodles all over your cell. Then add blue text

INSTRUCTIONS - while water is boiling smash the fuck out of your bag of shrimp TOP RAMEN but be careful to not just throw bag on the ground like you would normally do because remember this one is missing your bag of seasoning. Dont want to fuck up your by bluetextman July 29, 2021

And If The Left One Is Bigger...? 

A term used when someone goes on a long rant about a totally pointless or super-intelligent subject that no one cares about/understands.

Guy 1 - And Thats the theory for quantum physics.
Guy 2 - And if the left one is bigger...?

And If The Left One Is Bigger...? by TalcumPower November 4, 2011

the business of which one is engaged 

The current action. The task at hand.

(Soldier In wartime)- The business of which one is engaged always carries the high probability of death.

the business of which one is engaged by Kung-Fu Jesus April 28, 2004

two is one and one is none

A Navy Seals adige meaning if you have two things and one breaks you always have one left but if you have one and it breaks, you have none

“I was in the water and my googles broke. Then I couldn’t stay down any more”

“Dude, two is one and one is none. What were you thinking?”

two is one and one is none by BMc2 September 19, 2023