a person who just totally sucks balls and thinks they are not a slackjaw but really are. also to blow at NZ
by myeeeaaa November 25, 2009
Get the McMaggotsacmug. The alter ego to a certain Jack Street. One of many names Jack Street goes by. Others are; Slack Lip, Slack jaw, Mcmaggotsac, Jake Lane, Jason Mra, Chip Fuyoung, It's Meeeeeee Weeeeesker, and Bitch.
Any of the following names can be used to describe someones
A) Jack Assery
B) Tom Foolery
C) Jack Streetery
Any of the following names can be used to describe someones
A) Jack Assery
B) Tom Foolery
C) Jack Streetery
" He's one hell of a Slackjaw McMaggotsac if i've ever seen one....and I have, so i totally know what i'm talking about. Also, So You know who I am talking about, i'm Talking about Jack Street."
by EatonTVS07 November 25, 2009
Get the Slackjaw McMaggotsacmug.