Lumber Jacking is when you eat something (no matter the size) in a single bite.
I bet you twenty dollars you can't lumber jack that steak!
by Alex Otto November 1, 2007
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phone txt ** sup bro? reply: nm bro just lumber jacking
no shit? reply: exactly!
by bigbonza August 4, 2012
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To jack off in the middle of a forest or lumber yard.
Person 1: I'm going to Home Depot to lumber jack
Person 2: I enjoy the forest
by Shish Kabober February 8, 2022
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simultaneously puking and deficating.
I feel like I'm going to lumber jack.

I don't think I should have taken that last shot. I spent the whole night lumberjackin'.
by Jason Andrew July 27, 2006
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{Man last night was crazy! No other way to explain it! I was taking a crap and jerking off. Aka} lumber jacking
by Brendonious August 31, 2017
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When you're in a public transit, like a bus or train or plane, you pull out your penis before the person next to you sits down and you put it under them with out them knowing.
Marc: Hey Nathan, do you remember that time i lumber jacked that chick on the bus?

Nathan: Yeah, lumber jacking is totaly awesome!

Marc: Haha that was hilarious, why don't you come sit beside me nate?

Nathan: Sure, i don't see any harm in th...awww why's my seat so hard?
by Adam Demamp November 3, 2011
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.them kids with the dirty hair and ragged torn jeans;
.grunge musician. (as they would frequently wear flannel just like a lumberjack would)

hi. we're lumber jacks. and we like to chop wood (play music).
by kurdddt January 27, 2008
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