Shitflex or Shitflexing is to narcissistically brag to the point that you are shitting on someone or something completely unprompted. No one gives a shit.
“ I love being able to do whatever I want because I don’t have kids” , “Um ok cool shitflex”
When Someone (Andrew) is home or at a designated location (or) is in contol
1 Andrew arrives at party, "Ace on base"
2 "Bro where u at?" "Ace is on Base brohoob"
3 Don't worry Ace is on base