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3.
Suffix added to an adjective or adverb to give it a stronger meaning. Usually interchangeable with the prefixes Super-, Uber-, and Extra-, and is a lesser form of the suffix -and-three-quarters.
Damn, that chick is hot-and-a-half!
as opposed to
Damn, that chick is super-hot!
by Sam Bredeson July 25, 2004
 
1.
To emphasis or exaggerate a quality or characteristic
She is a bitch and a half!
by John January 06, 2004
 
2.
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
by Dutin Miller March 10, 2008
 
4.
-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.
by Mangos808 October 17, 2009
 
5.
An exclamation made by you after someone says something you find particularly true.
"This ice cream is cold."

"and a half!!!"
by Dakas August 31, 2003