Somebody who never wants to go out and do anything fun. Can also be used for flaking. Taken from when you invite someone from work or school out to lunch and they say, "That's okay, I brought my own."
"So dude, you still goin' out tonight?"
"Naw, man, I think I'm staying in."
"Pff, aight sack-lunch I'll see ya later!"
*CLICK!
by girtby April 4, 2006
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1) someone enjoying a delicious feast by delicately nibbling (or inhaling) a man's scrotum, also known as his ball sack, nut case, or testicle pouch.
1) Jill: "My, my, my, I'm honnnnngry. I sure could use a Sack Lunch right about now."

Jane: "Well you're in luck. Looks like John's out running right now, and he's wearing some awfully loose shorts."

2) Betsy: "I would take hours savoring his Sack Lunch."
by Godfatha Jay July 11, 2008
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When a guy does not shower for several days and has a gamey crotch, and has a girl go down on him.
"I didn't shower on the whole San Francisco road trip, but I still got Mike's neighbor to give me a bohemian sack lunch"
by Robotmike September 20, 2009
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Can only be performed when it is very cold. A man's ball sac must be cold and pulled up very tightly. A girl then puts the man's balls in her mouth and sucks them until they are warm enough that they become very saggy again. The girl cannot take the balls out of her mouth until they are completely saggy, otherwise it is not a true Siberian Sack Lunch.
After we went snowboarding all day, I gave my girlfriend a nice Siberian Sack Lunch.
by KenyanSlumberParty February 21, 2009
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The pubic hairs left upon a person's upper lip after sucking on the balls of some male animal.
That is one happy faggot, look at his sack lunch mustache.
by Goat October 9, 2003
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gape a womans asshole big enough to fit your balls into her rectum, then pull them out and insert in her mouth
last night a fucked sally with a baseball bat and gave her a sacramento sack lunch cuz the bitch wouldnt shut up
by aj and v December 22, 2006
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1. (n.) A term used for a large amount of marijuana.

2. (n.) A large bag filled with marijuana.
"Yo mayn where the fuck is Johnny with the fat sack lunch, lets get blazed!"
by Domination [WDK] December 28, 2009
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