a myopic system of thoughts laid down by past experience, shaped by parents, culture, society, institutions, conditioning and any other re-imprinting techniques one discovers - to guide the human biosystem through his/her environment.
most people seem to go through their reality tunnel without ever questioning what is outside it and who built it, and what other choices there are as far as models/contructs go.
by nocturnal February 8, 2007
 Get the reality tunnelmug.
Get the reality tunnelmug. (noun) an asshole whomst diameter is 10x the size of the standard human asshole, usually via anal sex from another man; potentially sodomization
“Craig! Can you believe that Clayton got pegged by Jessica Ghobrial!”
“What?!? No way!! I don’t believe it!”
“Yeah! He’s a total tunnel ass now!”
“What?!? No way!! I don’t believe it!”
“Yeah! He’s a total tunnel ass now!”
by TonyHaver August 28, 2020
 Get the Tunnel Assmug.
Get the Tunnel Assmug. by Dick Shipton March 9, 2008
 Get the Tunnel Buddiesmug.
Get the Tunnel Buddiesmug. by Dubsteppin June 17, 2009
 Get the Trains and Tunnelsmug.
Get the Trains and Tunnelsmug. The act of receiveing a rim job (having your ass eaten) directly after your partner has been: chewing cinnamon gum, eating redhots, or had hot sauce.
by johnsdyl003 March 14, 2018
 Get the Fire Tunnelmug.
Get the Fire Tunnelmug. by MIL April 19, 2006
 Get the tunnel visionmug.
Get the tunnel visionmug. going through cave "♫ Secret Tunnel, Secret Tunnel, through the mountian, secret secret secret Secret Tunnel ♫"
by PeoSoldeo August 28, 2020
 Get the Secret Tunnelmug.
Get the Secret Tunnelmug.