-- Posted by ShinodaFan at 3:29 pm on July 10, 2009 How can you tell if someone's been smoking weed? Are there symptoms or like behaviors they exhibit? Idk.... -- Posted by Mods1Blow2Me3Daily at 3:30 pm on July 10, 2009 um depends, most signs are physical, not behavioral -- Posted by bosss at 3:30 pm on July 10, 2009 glassy/red eyes -- Posted by Thriftweed at 3:31 pm on July 10, 2009 its highly variable the common ones are red eyes, giggly, unconventional nonsensical thoughts, inability to keep a train of thought going for more that a few seconds (this one you would especially look out for) -- Posted by ss454 at 3:31 pm on July 10, 2009 They're morons -- Posted by raiderz13 at 3:32 pm on July 10, 2009 mostly red eyes unless they used eye drops, the munchies, and alot of giggly well it depends on the person you know -- Posted by WAZ at 3:33 pm on July 10, 2009 Happy. Enjoing life more. -- Posted by ily13107 at 3:34 pm on July 10, 2009 The munchies (hungriness) Red eyes & like the most obvious reason is stupidity. In a good way.  Like...well you'll know. -- Posted by Thriftweed at 3:35 pm on July 10, 2009 Quote: from WAZ at 8:33 am on July 11, 2009 Happy. Enjoing life more. yeah if someone is happy and enjoys life then they're high and smoking weedq -- Posted by WAZ at 3:37 pm on July 10, 2009 Quote: from Thriftweed at 3:35 pm on July 10, 2009 Quote: from WAZ at 8:33 am on July 11, 2009 Happy. Enjoing life more. yeah if someone is happy and enjoys life then they're high and smoking weedq Its a common side effect.