What is Smerf?
1.
to hit someone in the face with your penis (or strap-on)
also smerfed, smerfing
I pulled out and smerfed her at the last sec, did ya know jizz can give you pinkeye?
2.
To smell or fondle a person's hair in an amorous fashion.
Did you just smerf me?
See
3.
a damn communist
The smerfs are blue, no they are green adjust your TV. those damn color changing communist!