Answer:

tooting

Answer	Crossword Clue
TOOTING	Tugboat noise
TOOTING	Sounds from horns
TOOTING	Blowing one's own horn?

TOOTING	Street noise
TOOTING	Typical "Auld Lang Syne" accompaniment
TOOTING	Blowing.
TOOTING	Blowing a horn.
TOOTING	Din when the light changes.
TOOTING	Honking
TOOTING	Hirt's activity
TOOTING	Using a recorder

TOOTING	New Year's Eve noise