1) a high schooler that voice cracks when screaming "Christ" during strenuous physical activity; could involve strain in athletic activity or straight up not giving up during sex
2) a higher schooler that has a tall and flexible wood while going to prom accompany him
Ex. 1: "Well damn he's really not gonna pull out tonight is he!?!"
"You didn't know? He's a sneaky horse!"
"What makes you say that?"
*'Sneaky Horse' voice cracks "Christ!"*
"There ya have it."
Ex. 2: "Dude, he really took a long and bendy wood with him to prom this year!"
"Yeah, what a fucking sneaky horse!"
Jeff: Someones has been spreading rumors that Josh killed someone.
Matt: You know who?
Jeff: No.
Matt: I don't know. Don't go spreading this around, it may be the work of a sneakweed.