Oral Sex vs Anal Sex Pun

Listen up, buttercup. This joke is a classic pun, something your simple mind probably struggles with. The first part sets up oral sex as a pleasant experience that improves your single 'day'. The punchline 'anal makes your hole weak' sounds exactly like 'anal makes your whole week'—referring to the entire seven-day period. It's a play on words, implying anal sex is so intense it physically incapacitates you for a week. Your brain probably broke trying to figure that out, didn't it?