Answer: aslip

AnswerCrossword Clue
ASLIP"... of the tongue."
ASLIPHave ... of the tongue
ASLIP"It was ... of the tongue!" ("Oops!")
ASLIP"-- of the tongue"
ASLIP"There's many ... 'twixt ..."
ASLIP"There's many ......"
ASLIPHave ..... of the tongue
ASLIP"There's many ... . . . "
ASLIP... of the tongue
ASLIP... of the tongue.
ASLIP"There's many .. 'twixt..."
ASLIP"There's many ... ..."
ASLIP"Just .. of the tongue"
ASLIPMake ...: goof
ASLIP"It was just ... of the tongue"
ASLIPJust ... of the tongue
ASLIP"There's many ... 'twixt the cup and the lip"
ASLIP"There's many ... between the cup and the lip"
ASLIP.. of the tongue