Since about 1960, students at Cal Poly have been sticking their gum to the walls of Bubble Gum Alley. « » View Original Size × Share Tumblr Facebook Twitter Reddit Stumble Upon Email Embed × Share with friend Your Name Your Email Friends' Emails (Separate multiple addresses with commas) Send Submit a Picture From Justin Kraivanger on October 22, 2006 See More Gross gum Recommended Comments () Picture Biggest bubble gum bubble ever? 15 pieces. Picture Dog Blows Bubble Gum Bubble Through Butthole Picture Giant Bubble Gum Bubble Pops on Guy Picture Anti-Masturbatory Gum Picture Just put some gum in the other side and even it out. Picture You know you've been sticking your hands in horse vagina too long when you can be this nonchalant about it. Comments ()