An eyegasm is a sexual reaction when reading or seeing something that makes you sexually aroused in the brain. When seeing something that "turns you on", your eyes grow larger and you get interested. THAT is an eyegasm. They are mostly common in female teens and young adults.
/Sees a note from long lost crush about a date/
Person 1: Oh My, I just had an eyegasm!
Person 2: Dude, that's embarrassing!
Slang expression for saying "let's get some sleep". This phrase hit the fame when Fred Ward used it in the 1994 comedy Naked Gun 33⅓: The Final Insult.
See also shut-ear.
Now, let's get some shut-eye. C'mon, we have a big day ahead of us.