bitch bucket

A helmet that is used exclusively for when people (usually females) "ride bitch" on your motorcycle. Usually an old or accident damaged helmet.

Yo dude, have you got your bitch bucket with you? There's this chick who totally wants to ride home with me!

OR

I had a crash and now I have to replace my helmet, but on the bright side I have a new bitch bucket!

Bucket Head Bitch

Anyone whose head circumference is OVER 24 inches!

The average adult human head

has a circumference of 21–23 inches. For women, the average head circumference is 21 3/4 inches, and for men, it's 22 1/2 inches.

That Girl aint nothin but a Bucket Head Bitch

Man we measured heads one night that bitch aint nothin but a bucket head bitch!