People smack twice before yawning because when you smack it brings up some of the air you need to yawn.
twice
Treat me just as you would anyone without Tourette's Disorder. I am who I am in spite of my tics.
biannually means twice a year
He is interested.
you turn the right side twice
meaning: "not twice for the same".
A repetative Task as in being done twice.
Double or twice
twice
It is used for both senses, but the proper meaning is twice a week.
Bimonthly is a term meaning 'twice per month'.
no