Lemon 

Basically, to describe a person(s) who is or is known do be a dumb arse or that does dumb shit. Originated from 'Slot Machines' and spinning up Lemons = a shit spin/result etc.

Example 1.
Mate 1 : "Dude, Damo got so drunk last night he spewed all over the floor"

Mate 2: "What a fucking Lemon"

Example 2.

Driving in your car and getting cut off - "Learn to drive you fucking lemon!"

Lemon by CaptainND February 18, 2014

Lemon 

Something like a camel toe, but smooth

"Good God Lemon!"
"Sorry, I guess I'm not up with the lingo.. but... 'lemon'? Is it something like a camel toe, but smooth? I am completely ignorant, here."

Lemon by antagonym May 9, 2015

Lemon 

1. That which must be worshiped

2. A sexy and highly addictive thing to lick

3. That which many humans are extremely unworthy of

All hail the mighty lemon!

Lemon by iLoveLemons October 1, 2008

Lemon 

A lesbian. A female who drinketh from the furry cup. A bean flicker. A rug muncher.

That bitch just tried to feel my flange up. I reckon she's a full on Lemon.

Lemon by Marlowe March 18, 2003

Lemon 

Term originating in London, referring to high-grade skunk (hydroponically-cultivated marijuana). Describes hydro that is 'above average' in terms of potency/quality. Widely used term in UK Grime music.

'This shit is the lemon!'

or...

'My man's got the lemon!'.

Lemon by Cunny Linguist July 7, 2008

Lemon 

Just a word for Marijuana or a type of it.

"I'm choonged coz I've been bunning too much lemon"

Lemon by Rezadamus May 6, 2005

lemon 

east london slang for the cured buds of the cannabis sativa plant.

After contemplating whether it would be worth delving into Killer P's mobile phone to obtain a marijuana-dealer's number, Flowdan and his friend come to this conclusion:

Killer P: It's a lot right now, lemon I can bun, blud
Flow Dan: Lemon season, cuz

lemon by ganjafarmer May 20, 2008