Best definition
To pull out of an engagement, usually at the last minute, after initiating the event in the first place. To renege on a social agreement.
Steve got up a kayaking trip for today, but he called late last night and whiteheaded us.
whitehead: define #2
A pimple or zit that is full of puss, white and ready to pop!
Barb’s whitehead was so ripe and perfect, when she popped it, puss went all over the mirror! Awesome!
whitehead: define #3
An old person. Characterized by their white hair and lack of driving skills.
Driver: It sure is a beutiful day.

Passenger: Holy shit, watch out for that whitehead!!

Driver: -swerves to avoid head-on collision- Thanks man. That old fucker almost killed us.

whitehead: define #4
To get head from an old lady (Refrencing her white/grey hair.)
Brandon totally got some whitehead last night dude. He sure loves him some grannies.
whitehead: define #5
n 1. A permanent white mark, generally upon one’s head, that indicates the status of “leader of ritual sacrifices” in a literary cult.

v 2. To create the white mark refered to in definition 1.

v 3. To inflict a meaningless white mark upon another’s head.

v 4. To beat someone over the head with a coconut until their head turns white.

1. I thought that Sheila was a normal girl, until I spotted the whitehead she kept covered under her bandana.

2. As Silvia cast the sacrificial goat into the fiery volcano, the chief of the Hawthorne Literary Cult whiteheaded her.

3. Badfield, the most rowdy child in Mrs. Lit’s first grade class, was known for rubbing chalk dust over his hands, and then whiteheading other children.

4. Sweety and Tweety became so sick of each other after being stuck on a deserted island together for seventy-three years that they whiteheaded each other, and were jubilant all the while.

whitehead: define #6
What a penis tip looks like right after the guy cums.
He pulled out right before he came and sat back as she watched his whitehead.
whitehead: define #7
white heads
politicians & heads of state ( Washington DC )
Old white heads run (ruin) this country 50 years ago were kids with silver spoons in their mouths! Now the silver is in their teeth. ( + LEAD in the arse )