Smucky is a person on the verge of being sweaty and yucky.
It's so hot in here my underarms are smucky!
by Connies June 20, 2013
A polite way of saying something is crude, lowbrow, and childish without wasting good English on it.
Adam Sandler just made a really smucky film; I swear I relived part of 6th grade watching it.
by Gunsade August 23, 2013