Acronyms dictionary LBS What does LBS mean? LBS is a textspeak acronym standing for laughing but serious. It is also used as a shortening of the measuring unit pounds, which originates from the latin libra. Now you know. Related words: Why so serious? HWP NSV What's hot white boy summer simp cancel culture Karen Examples of LBS Every time I break a nail, I feel like I gotta take the rest off lbs 😂. @emorijh, May, 2018 I need to be 10 shades darker and lose about 15 lbs by this weekend but chicken nuggets and tacos are life. 🤷 @CarlyyJackson, May, 2018 It ain't funny but I just died laughing at Wendy Williams fainting g. She been lookin a lil sick lately lbs. @BeCoolOnMeTHO_, October, 2017 SEE MORE EXAMPLES Popular now white boy summer simp cancel culture Karen Just Added 🍂 Fallen Leaf emoji, 🍃 Leaf Fluttering in the Wind emoji, excited delirium, Earth Day, Coachella Note This is not meant to be a formal definition of LBS like most terms we define on Dictionary.com, but is rather an informal word summary that hopefully touches upon the key aspects of the meaning and usage of LBS that will help our users expand their word mastery.