and a half 

To emphasis or exaggerate a quality or characteristic

She is a bitch and a half!

and a half by John January 6, 2004

and a half 

An exclamation made by you after someone says something you find particularly true.

"This ice cream is cold."

"and a half!!!"

and a half by Dakas August 31, 2003

and a half 

Used at the end of o sentence, usually used when insulting someone. adds emphasis to the insult itself and makes it just that much worse.

1.) Man your a bitch and a half

2.) That party was lame and a half

3.) That girl is ugly and a half.

4.) your a tard and a half

and a half by Dutin Miller March 10, 2008

and a half 

Usually comes before the words derp or headcase.

(1) Look at Eli Manning, he’s a derp and a half.
(2) Evander Kane has progressed fro being a headcase and a half to an average 2nd line grinder for the Sharks.

and a half by Polandballcomix4u June 16, 2018

And a half 

Typically it refers to a child that's halfway through one age and on to the next with in 6 months

Emma will be 6 and a half tomorrow

And a half by 459395 March 21, 2023

-And A Half 

-Meaning-

1) To add emphasis on insulting / glorifying words.
2)Used to highlight the extra obvious flaws of a person/object.

-Usage-
1)Justin: I told him he was stupid-and a half for sharpening his pen.
b)Bob: That kid is beast-and a half.

2)Barbara: That girl is like fat-and a half, it's not even funny.

-And A Half by Mangos808 October 17, 2009

Clap and a Half 

A term from the popular YouTube livestreaming show, GTLive. MatPat, one of the two hosts of the show, has explained that it originated from his 7th grade teacher who would give her students a clap and a half as a form of ridicule. MatPat has since adopted the gesture as a sign of appreciation towards the GTLive audience.

Hey guys it's my first stream. Could I get a clap and a half? #GTLive

Clap and a Half by Live Laugh Love GTLive June 24, 2017