Blue underpants Synonyms

Definitions for Blue


  • (adjective) depicting or referring to sexual matters in a way that is unacceptable in polite society
  • (adjective) feeling unhappiness
  • (adjective) hinting at or intended to call to mind matters regarded as indecent

Synonyms for phrase

BU abbreviation

BU is an abbreviation for Blue Underpants
What does BU stand for?
BU stands for "Blue Underpants"

Underpants replaced

Definitions for Underpants


  • (noun) an undergarment that covers the body from the waist no further than to the thighs; usually worn next to the skin