A word used to describe behaviour similar to that of a Walker. Such behaviours include, but are not limited to; Light but frequent bullshitting (Particularly over cock size), proving to be difficult to contact, or being unreliable in general.
Smith-"Shite,man. Duncan's just told me he'd get Green Day tickets but didn't and now they're sold out."
Lesley-"Haha, m8. Sounds like you got heavy Walkered".