As clued by shift in the flavor text, the answers to each
pair of clues are Caesar shifts of each other.
Moxy Fruvous's second album: WOOD
Be introduced
to:
MEET (shift 16)
DeVito or Schwarzenegger: TWIN
Shirk
work:
LOAF (shift 18)
Sum kind of snake?:
ADDER
Complaints at Wendy's? BEEFS (shift 1)
Deliver a stoning: PELT
Third place: SHOW (shift
3)
Old West deputies: POSSE
Open with a crowbar: JIMMY (shift 20)
Hypnotist's
command: SLEEP
Member of Hef's entourage: BUNNY (shift 9)
When you get one of
these...:
COLD
...you might get one of these in your throat: FROG (shift 3)
Like
seltzer: FIZZY
Having bendable legs: KNEED (shift 5)
Take the amounts you need to shift each word forward in the
alphabet to get the second word (given above) and index them into
the alphabet to get the answer, PRACTICE.