1) a hand job using lubricant

2) an alcoholic drink filled with blood and semen
1) Man, I hear Mikayla gives a mean slippery palm tree

2) That slippery palm tree I got at the bar last night had me so messed up, I didn't know who I was till about 2 o'clock this afternoon
by flappinganus69 June 1, 2013
Get the Slippery Palm Tree mug.