The Mysterious Blob

A brunette, a redhead, and a blonde, all head home from work at the same time and get on the elevator. The brunette notices a blob on the elevator wall and says, " OOOOOhhh that looks like semen." She reaches out and touches the blob with her fingers and says, "It feels like semen." 
The redhead then reaches out and touches it with her fingers, smells it, and says, "It smells like semen."
The blonde reaches out and touches it with her fingers, puts her fingers in her mouth and tastes it and says, "It sure doesn't taste like anyone in THIS building."

Blonde Sleepwalking

Q: How can you tell if a blonde has been sleepwalking?
A: When you look in the refrigerator and there's lipstick all over the pickles.

Blonde Hijacker

Airport Security alerted an airline crew to keep an eye a blonde passenger who appeared excessively nervous and shifty-eyed.
Soon after takeoff, the blonde man called a stewardess to his seat and said, "I have a live grenade in my pocket. I'll blow up the plane if you do not divert to Cairo."
Perplexed, the stewardess said, "But, sir. This is TWA flight 1219 to Cairo."
"Damn!" replied the blonde passenger, "I got on the wrong plane."