1 definition by sensier

Top Definition
Standing for "Laughing Uncontrollably, Bro", it is used to replace clich├ęd abbreviations such as LOL and LMAO and so on. It is only to be used when actually laughing in hysterics in response to an online post, conversation etc.
Gary: "Look at this, dude! *sends link*"
Tom: "No way?! That's hilarious! LUB!"
by sensier September 11, 2011
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