Generally when a group of guys get together, they tend to out-testosterone each other with stupid comments and scenarios, generally a third party middle man is needed to intervene and end this event.
Mr.Curran: Ok, I like that sentence, let's sex it up.
John: Huh huh, sex-
Jake: This one time I was with Jenny and we-
Mr.Curran: *Interrupting* Dude Block.
When a man wakes up in a woman's home after a drunken, wild, anonymous sexual encounter and must then walk by a full, stinky, dirty, diaper bin or dirty, stinky, cat litter box in the morning to leave.
Dude, I got drunk at the bar last night, had a one-night stand and woke up is a cute girl's house and had to "Dude's Walk of Shame" by her cat's stinky litter box. Won't be calling her anytime soon!