Wi-Fi
Apple for the teacher? MAC
Bars at the bar ESTOPS
Gray area? ANATOMY [he wrote the book]
Blow off steam HISS
Big bang cause TNT [note lower case
b]
Plus
lots of interesting cluing throughout
Theme: substitute W(I) with F(I) in phrases
Angler’s daydream? FISHFULTHINKING
Auto design now, vis a vis the 1950’s? NOFINSITUATION
Offshore WBA venue? ISLEOFFIGHT [with IBF, both major boxing orgs. appear]
Unrestrained Kentucky Derby entrant? FREEFILLY [kids flick
Free Willy]
TESRATING:

Three grins = Excellent: Loved it; Two grins = Good: Enjoyed it; One grin = Satisfactory: A bit bland for my taste; One teardrop = Unsatisfying: No fun