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3.
When someone gives your fourhead a high five.. they Slap you really hard on the head they yell four-five
Person one: Yo high five mayne..
Unsespecting victim: Yeah Boy

**Person one: Slaps vcitims head and yells FOUR-FIVE BITCH
Victim begins to cry and walks away
by Mary June 14, 2006
 
1.
Forty Five caliber pistol, generally the largest caliber (and therefore potentially the most deadly) available in the US.
Man, you hear Fitty Cent got shot 9 times with a four five? He lucky he still walkin!
by JMKinMich March 10, 2008
 
2.
When someone gives your fourhead a high five.. they Slap you really hard on the head they yell four-five
Person one: Yo high five mayne..
Unsespecting victim: Yeah Boy

**Person one: Slaps vcitims head and yells FOUR-FIVE BITCH
Victim begins to cry and walks away
by Mary B June 19, 2006