To defend the house against further intruders and theft, Ratan Koushik mounted a 20-gauge spring-loaded shotgun ... The Case of The Shotgun Booby Trap (Real True ...)
Trap was created by Peps aka Ratan Koushik
The Pep’s Shotgun Trap on Rowan’s PC, he fell for the trap and it ended up shooting him using a 20-gauge spring loaded shotgunto the head. His brain then went flying over the place
To have sex. To "slip" implies an insertion of a body part into a cavity of another person's body. A "pep" is slang for pepperoni, which is itself an allusion to a penis due to its phallic shape.
Nick: "bruh, how did your date with Jess go?"
Josh: "it was fun man, i can see us gettin down to slip a pep in the future"
Brad: "you old dog, that's good, maybe you two can join Chad and I on a double date"
Josh: "fuck yea fuck yea bruh!"