When an otherwise respectable woman decides to give her husband a blow job while he’s filming on their new camcorder. Said recording is then accidentally seen by one of their children.
“Oh shit! He saw the video of you giving me a dirty Sandra!”
When you are on the beach with your lover and decide to build a sandcastle and put your penis through the tower windows and proceed to f**k her but just before you ejaculate, you pull out and release your sperm on the highest tower of the castle and let it ooze down.
Jack: Hey man, me and Sasha just got back from the beach.
Larry: Cool did you do it?
Jack: Do What
Larry: The dirty sandcastle
Jack:Oh yeah I did. I ended up flooding the moat and destroying the draw bridge.
Larry: Wow that's crazy
When having unprotected anal sex with a woman/man, you use Nyquil as lube, pull it out and ejaculate in her mouth... the mix of warm bodily fluid and flu/cold relief liquid will promptly put her to sleep. You may then continue to have sex with her, but a true gentleman calls it a night too.
When Geoff gives Kate a Dirty Sandman, he uses cherry Nyquil so she wakes up with a better taste in her mouth.
After engaging in sexual intercourse with a significant other, proceed to pull out and release your load on your partener's face. Next throw a bag of sand on there face and rip out a patch of your own pubes and do the same. this will resemble the Star Wars charecter known as Chewbaca.
After a long dayJimmycame home to his wife and gave her a Dirty Sandbaca in the bath tub.