a person who avoids work or effort:the slackers who let the side down by their want of team spirit
US a person who evades military service.
chiefly North American a young person (especially in the 1990s) of a subculture characterized by apathy and aimlessness:they are portrayed as dreamy, disenfranchised slackers [as modifier]:slacker culture
slacker in other Oxford dictionaries
Definition of slacker in the US English dictionary
