PDA- 'Private Display of Affection'
When your partner hasn't showered in over a week and you become sexually aroused by their sweaty gym seth, to the point where you uncontrollably lick the f*** out of their armpits, crotch area and sweaty ass.
Catching a whiff of their pesky BO and frantically licking their private parts builds your immune system whilst showing
PDA- 'Private Display of Affection' to your significant other.