A Ninja Kiss (NK) can only preformed by the quick of lips. A perfectly executed NK will be completely without warning, and usualy leaves the kissee breathless, confused, and horny. This is why ninjas always get the girl in the end.
by Lord Caedus April 10, 2009
A ninja kiss: (n) a kiss in which the two participants are kissing in a group of people, without anyone within the group noticing they are kissing.
Shelby: Did you notice?
Laura: Notice what?!
Shelby: How did you not notice!! Me and Jordon were exchanging ninja kisses all night!!
Laura: Oh wow, you two are good ninja kissers!!
Laura: Notice what?!
Shelby: How did you not notice!! Me and Jordon were exchanging ninja kisses all night!!
Laura: Oh wow, you two are good ninja kissers!!
by King Muffin February 23, 2009
Anyway, last night we were in bed and he turned the lights out. Then out of nowhere, the son of a bitch gave me a Ninja Kiss!
by Definitely not Brett March 10, 2022