TSA agents pulled aside Texas Tech University student Diana Durkin after the 19-year-old Houston native threw up a hand gun symbol in the security line.
Durkin told BuzzFeed Texas Tech fans say "wreck 'em" and "guns up" and use a finger gun hand symbol when they see each other.
Durkin threw up her hand gun symbol to a man wearing a Texas Tech sweatshirt before TSA agents pulled her aside for questioning.
TSA agents let Diana off with a warning after she explained why she made the gun symbol.
Source: BuzzFeed; photo: Instagram