Twice in a while
Used when you do something more than once in a while but not all the time.
Tom "So I here you started go to the gym "
Bob "Twice a week. I go once in a while to keep in shape"
Tom "More like twice in a while!"
Bob "OH SNAP!"
Bob "Twice a week. I go once in a while to keep in shape"
Tom "More like twice in a while!"
Bob "OH SNAP!"