Second part of Maniac Mansion
Lucas Arts adventure game released in 1993.
You have to help Bernard (in the present), Hoagie(in the past) and Laverne(in the future) to save the world from Purple Tentacle.
"Do you know where I can find the gold to make the battery in DoTT?"
Dude: You know what Asshole, Die On The Toilet! (D.O.T.T.)
Asshole Friend: I just might, I just might!