Lasternmost
The most last thing ever.
1. "Alright students, turn to the lasternmost page in your notebook and write the definition for the lasternmost word in your glossary: zygote."
2. "I ran the 800 once in High School. I didn't just get last place...I came in lasternmost place."
2. "I ran the 800 once in High School. I didn't just get last place...I came in lasternmost place."