Top Definition
A highly intelligent human being that simply does not give a shit about the tasks at hand. Combination of the words "smart" and "sluff off".
Damn. Mike got a 1600 on his SATs and a 36 on his ACT. Instead of attending a top tier university like Duke or Harvard, Mike will be attending a community college 3 blocks from his house due to his 1.7 GPA. Mike's parents must be disappointed in their smuff off of a son.
by lsukev January 05, 2008
5 Words related to smuff off

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