Top definition
Laughing my butt off. A less dramatic version of LMAO.
I fell off the cliff and died.
LMBO!
by Kevin January 18, 2005
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2
Laugh my butt off. the clean version to say around the preacher. but when your at school, just say the original one.
by lexithememer February 11, 2019
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3
alternate way of expressing extreme laughter, to the extent where ones burca falls from ones head. Not enough for one to 'laugh ones ass off', but enough for a burca to fall.
Sarah - "Tacco Tacco BURRITO!!"
Roxy - "That's so funny LMBO!!"
by ghandishoes June 26, 2010
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4
lmbo: samething as lmao unless the b is used differently. Ex. lmbo: laugh my boobs off, laugh my balls off or just laugh my butt off
person1:omg i fell down the stairs person2:lmbo
by Independent1011 January 14, 2010
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5
a healthy alternative to lmao/lmfao to use in schools in case the teacher finds out you're passing notes and reads it to the whole class
claire: I am having my period.
abby: lmbo
by abbydskinnyass January 06, 2009
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6
laughing my butt off. another way of saying lmao (laughing my ass off) w/o swearing.
guy: he's trying to steal my woman.

guy 2: lmbo
by Christina Freed July 31, 2008
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7
Laughing My Butt Off, used in IM conversations.
Pete: Did you hear the joke of the llama and the kangaroo?
Rose: Yeah, I did, lmbo
by Nanda June 29, 2006
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