Answer: fella

AnswerCrossword Clue
FELLABerlin's "A ... With an Umbrella"
FELLA"Most happy" one
FELLA"The Most Happy ...."
FELLABeau, slangily
FELLA"The Most Happy ..." (Loesser musical)
FELLAHappy guy in a musical
FELLAHip-hop's Roc-a-... Records
FELLACat
FELLALoesser's "The Most Happy ..."
FELLABlighter
FELLALoesser musical "The Most Happy ....."
FELLALoesser's "The Most Happy ....."
FELLAChap, slangily
FELLALoesser's "Most happy one"
FELLALoesser musical "The Most Happy ..."
FELLA"The Most Happy .....": Loesser
FELLAGal's guy, slangily
FELLAThe Most Happy ...
FELLABuddy: sl.
FELLAInformal guy
FELLAGuy, chap or bud
FELLASlangy guy
FELLABuster or chap relative
FELLAFrank Loesser's "The Most Happy ..."
FELLABloke
FELLARoc-A-... Records
FELLABuster
fellafellow
fellaa man or boy
FELLA"The Most Happy ..."
FELLAGuy, colloquially
FELLAMac
FELLA"The Most Happy .."
FELLABub
FELLAGuy
FELLABuddy
FELLA"Most Happy ..."
FELLAGood chap?
FELLAGuy, informally
FELLAChap