Any sort of penetration on any type of agricultural equipment. This includes farm animal and wet willies as well. Can be sexual or not.
"I totally got thumb lummed on my uncles tractor last night!"
by Katie Richardson December 12, 2007
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<noun> 'sh-um-lee-um-lum-doob-illy' singular: Derived from slang

A large penis
Person A: "My man, you got the utensils to pierce my shum liam lum doobily?"
Person B: "You sure you want to do that to yourself"
Person A: " Yeah dawg, I want a big ol' metal rod drilled right through my one eyed monster, but no homo shit when your down there homes"
Person B: "Iiiite then, 50 bucks and whip it out"
Person C, B, D, E and F collectively: "Oooooooh SHIT"
by Kevin Briggs September 21, 2011
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Phrase: lum pa pa lan /pah lun, pA lÃn/ Hk. the balls hitting the penis: pa hit + lan penis Also abbrev. to LPPL. vulg. Used to expr. that an act, a plan, etc., has backfired.

It is widely used in Malaysia.. especially among the Hokkien Dialect Community..

which means whatever you do.. you'll end up with the same or no results.. whatsoever..
richard: bro, seems like u always break up with ur gf and get back together and repeat the same thing all over again and ended up with same result.. this is what u call lum pa pa lan.
by mookie moo86 May 1, 2010
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The type of weed that makes you want to sit on your ass forever.
Dude im gonna quit my job and sity on this here couch forever because i just smoked some SCHWEDEY BUM LUM CHUMS
by EROCK!@@% February 5, 2010
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The most amazing and beautiful person to ever exist. Usually when encountered they make everyone around them happy
Friend: she’s such a Chloe Lum

Does of happiness
by Ballsman1817480318 July 9, 2023
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To get stabbed, sliced, chopped (to bits, obviously), slashed or otherwise involuntarily come into contact with the business end of an edged tool (e.g. a knife, ax, katana, razor blade etc.) to the point of being rendered no longer a nuisance or, ya know, alive.

Stemmed from the Spyderco Lum folding knife designed by Bob Lum, and the British slang term "lumped up."
Tryin' to get lummed up, are ya, mate?
by Itsmrdavis August 29, 2017
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