Sexual; when someone is performing oral sex on a woman and has their hands on the woman's tits.
There's nothing like watching baseball and your man has his face between your thighs while he reaches up and pinches your nipples. He can do the wave better than anyone in the stands.
When somebody uses a urinal, flushes, and you pee into the urinal while its still in the process of flushing.
"I peed into that guy's urinal after he flushed and it was still flushing."
"Hell yeah, riding the wave, brother..."
When you chain-eat multiple bowls of cereal in a row, and instead of drinking the milk, you pour more cereal on top of the milk and refill it.
Person 1: Dude i've got the munchies soo bad
Person 2: Here's some cereal, feel free to have some
Person 1: *begins riding the wave through three boxes of cheerios*
A chick who comes outa nowhere to prevent her friend from hooking up with you.
I was this close to getting that chick to come back to the crib and I got hit by a rogue wave.
When you wave your cock over her vag with out touching
Hey did you fuck? Nah I just Bae Waved
What someone does when their are staring intensely at the waves on a beach as they come and go.
Bill and James were at Hunting Beach when James did the wave wave.
A Maori greeting which involves a hearty flick of the wrist.
"The bro gave me a mean as mana wave"