slackernacker 

a person inclined to have a nack...for slacking. hence the name, slackernacker, a.k.a. nackerslacker

Tom, you are one heck of a slackernacker!!

slackernacker by Gishishopau September 8, 2008

Slackerjacker 

A person who slacks off while jacking off.

That guy is such a slackerjacker.

Slackerjacker by General Radec August 7, 2009

slacknacker 

1 noun, insult used for lazy person,

Oi Slacknacker, get yer finger out!

slacknacker by Sam Clarke March 18, 2005

sacernacker 

to nack a massive sac

i just sacernackered that guy

sacernacker by sack2331 January 1, 2024