The act of having a Female or male lubricating (generally using spit and saliva from the mouth) the palm of there hand and then jerking there partner or ones self off, the effect of this is to simulate the wetness of being up inside a vagina. Named after Patrick Ewing (N.Y. Knicks legendary center) who would be drenched like a slip n slide after a game.
A.K.A Wet palm sex.
Hey baby, if we cant have sex tonight why don't you give me a Ewing??
Wow i just tried giving myself a Ewing and it feels better then the way i usually masturbate!!
Brenda really lubed up her hand with spit and jerked me off last night it felt like i was inside her pussy..... she told me it's called a Ewing!?!?!