The simple gratifying action of a man while he stands and receives a blowjob in which he lifts his shirt to get a better view.
I pulled a shirt move and then I just unloaded in her mouth.
During oral sex, the action of lifting one's shirt up to deposit a load onto one's own stomach.
Beats the alternative of getting it on your clean sheets or your favorite shirt.
"I knew she wouldn't swallow, so I had to pull a shirt move."