-verb
To use persuasive and often dishonest tactics behind people's backs in order to achieve one's own personal, and often deviant, goals.
Rooted form Sheldon Jeffrey SANDS; a character from the movie "Once Upon a Time in Mexico."
He was Sandsing around to make sure Chad's girlfriend would leave Chad and be with him.
(Verb) to get all up in someone’s shit the way sand gets in your ass crack.
Don’t let that controlling dick sand you.
see sand in your vagina. Short tempered; cranky. Evident from facial expressions.
Roger: "What's wrong with him?"
Andrew: "His girlfriend is making him go shopping. Look at his face! Yep, he has sand in it."
To kiss a cardboard cutout/poster of a celebrity so much that the lips begin to wear off, looking as if someone has sanded them off.
"Did you see that poster of Megan Fox in Brandon's room? It looks like he's been sanding it!"