What is Smucker?
1.
A prostitute who gives oral pleasure for free. Also a "hoe" or "skank." A smucker prefers giving only head.
That smucker blew me for free.
See
2.
Abbreviated form of 'Smart Fucker'. A term (vulgar) used to describe someone who is very smart, intelligent and cunning. Often used as a compliment among friends. Commonly used in college campuses.
“He is such a smucker, he went partying with us the night before his finals and still got an A”.