Possible Title: 
Dese, Dems, & DoseGood Ones:Fernando’s Hideaway   CASA [originally from the ‘50’s song “Hernando’s Hideaway”]
MA and PA   STS
Theme: substitution of tee sound by dee sound in phrases
Corpulent corpuscle?   WIDEBLOODCELL
Weaponry etiquette?   CODEOFARMS
Warning sign at a kiddie pool?   WADEUNTILDARK
Who knew?:“Never Gonna Give You Up” was a song, it was sung by Rick ASTLEY, or there is/was a Rick ASTLEY.
By the Way:Basie’s “ONE O’Clock Jump” is a song worth mentioning as, by the way, is “Hernando’s Hideaway” from 
The Pajama Game.
Some Nits to Pick:Bolt holder   TNUT [a bolt is a screw plus a nut, so a TNUT, being part of a bolt can’t hold itself --- a better clue might be “Alphabetic bolt part”]
RATING:   
 
  
 
 Three grins = Loved it; Two grins = Enjoyed it; One grin = A bit bland for my taste; One teardrop = Not much fun