i was sitting in class thinking about gabby and brandon, cuz i'm bi,when i got a boner so i did the 12 o' clock tuck and no one knew i had a boner
when your in public and you get a boner, so you flip your cock  up into your waistband
"i was sitting in class thinking about gabby and brandon, cuz i'm bi,when i got a boner so i did the 12 o' clock tuck and no one knew i had a boner" What is the definition of "12 o' clock tuck"?