JOTF 

Jaw On The Floor

To be surprised to the point where your jaw is on the floor
JOTF
Dude did you hear Lil Wayne I Am Not Human? JOTF!!

JOTF by gk339 August 12, 2009

JOTFW 

Jump Out the F$*#$%# Window - An exlamation used to express shock and disbelief, or when you disagree with someone. Originally used in 2011 in Washington, DC during a conversation about the cause of death of an individual.

Barbara: "How did he die?"
Trish" "IDK"
Barbara: "He jumped out the f$&%#&$ window!"
Trish: "JOTFW? no way!"

JOTFW by TfortheD August 18, 2011