The meaning of the Acronym USAF is...

USAF is

• Underdeveloped Stupid Azz Fuggers
• U Sure Are Fucked

More Meanings For USAF:

• United States Air Force
• United States Air Force
• Underdeveloped Stupid Azz Fuggers
• U Sure Are Fucked
• U Sorry Airborne Females
• United States Army Faggots
• United System Administrators Force
• United States Air Force
• United States Air Force
• United States Air Force
• United States Air Force

USAF is also in:

• Adults
• Funnies
• Meteorology
• Military
• NASA
• Ocean Science
• Science Fiction
• Transportation
• US Government