The sexual act of performing jumping jacks naked while your partner gives you head. And if you want to really get into it you can add some maple syrup and the 1998 Denver broncos!
Man last night was awesome me and my girl were doing some canadian jumpingjacks with the 1998 Denver broncos and maple syrup it was fantastic.
The act of going into other peoples yard/property to go jump into their pool without their permission or them knowing to just swim or get wet on a really hot day.
David: Hey lets go pool jumping.
Pedro: Ight I'm down, but we gotta go pick up Jose cuz he knows where all the best pools are at.