5.9 

Natural Ice beer. (Referring to the ABV of the specific beverage.) Term originated in San Diego, CA.

Person 1: "what you doing tonight?"
Person 2: "drinking that 5.9..."

5.9 by pbroots March 23, 2011

5.9 

Synonym for average. Derives from 5.9 inches being the average penis length in human males. It is pronounced without the decimal point. ("Five-Nine")

Yo man, how was transformers 2?
Ehh. it was pretty 5.9
Really?
Yeah.. but you got to see Megan Fox panties shot, so its so worth it

5.9 by Lord Takatcchipenn June 24, 2009

5'9 

The height 5'9 is the perfect height for guys. It's not too short or too tall. If you or someone you know is 5'9, then they are extremely lucky. 5'10 is also acceptable.

Wow he's 5'9, I think I'm in love

5'9 by Ayobroski November 21, 2021

5'9" 

The average male height in the USA. Five feet and nine inches. The average is NOT six feet like some people believe.

5'11" is two inches above 5'9", which is average.

5'9" by 5'11"Racer December 23, 2006

5-9 

1. a code word for codeine

Luis- "Hey fool, you got tha 5-9?"

Rob "Oh fo sho! What you think this is?
Kindergarden? 3 bucks a pop"

5-9 by -=Rob to da 5-9=- October 1, 2008

5’9” 

69 inches tall

Person #1: hey I’m 5’9”
Person #2: oh my god I can’t believe you’re 69 inches tall!

5’9” by Ahodkfidh February 19, 2018

5-9 

Verb: meaning something stupid. To pull a 5-9 is to say and/or do something that many would consider institutionalizing you for.

Noun: used as a nickname for someone who has repeatedly done or said stupid things that you don't want them to live it down.

Timmy pulled a real 5-9 when he announced his poker hand before betting! From this day forward he will be strictly known as 5-9!

5-9 by Steve Christensen January 7, 2008