blowbo Share definition Flag n. A blow job performed by a hobo. Coined by Penny Arcade in the strip "A Carnival of Delights". Where's Lance? He's in that alley getting a two dollar blowbo. blowbo by PA-Fan October 30, 2008 Words you can keep railfan mug chonk mug chud mug based mug 67 mug slime mug mogging mug chopped mug thot mug glazing mug huzz mug yams mug larp mug unc mug cracked mug simp mug baddie mug bop mug lolcow mug