Double-Hand Grandslam

when you use two hands and hit it hard.

Jim: "Hey bill show me a Double-Hand Grandslam"
Bill: *uses two hands and hits it hard*
Jim: "Thanks"

by Velcroeater202 March 19, 2018

Parking lot Grandslam

Is the action of engaging in sex of a fist fight in a parking lot, preferably a Dennys parking lot.

You, me, Saturday at 9. Parking lot grandslam. Loser buys grandslams.

by Pseudomoose December 7, 2020