boo
How to Use Boo
Learner’s notesIn plain EnglishA word to scare someone, a shout of disapproval, or slang for a sweetheart.
The "sweetheart" sense is informal slang, common in casual speech and social media.
Word Forms
booed past tense, booed past tense, boos plural, boos plural, Boos plural, boos plural, Boos plural, Boos plural, Boos plural, boos singular, boos singular
Fill the Gap
Can you complete this real example?
He jumped from behind the door and yelled "_____!"
Etymology
From an earlier form "boh," coined to imitate a sudden, startling shout.