1) A night on the town 2) Beep 3) Bender 4) Binge 5) Blast 6) Carousal 7) Carouse 8) Hoot 9) Peep 10) Spree 11) Tear 1) Attention-getting sound 2) Automobile noise 3) Bacchanal 4) Be a whistleblower 5) Bender 6) Binge 7) Blast on a horn 8) Blast on the road 9) Blow 10) Blow a bugle 11) Blow a note 12) Blow a whistle 13) Blow on a horn 14) Blow the horn 15) Blow the whistle 16) Bout of barhopping 17) Car horn noise 
• (v. i.) To stand out, or be prominent. • (v. i.) To blow or sound a horn; to make similar noise by contact of the tongue with the root of the upper teeth at the beginning and end of the sound; also, to give forth such a sound, as a horn when blown. • (v. t.) To cause to sound, as a horn, the note being modified at the beginning and...
Toot intransitive verb [ Middle English toten , Anglo-Saxon totian to project; hence, to peep out.] [ Written also tout .] 1. To stand out, or be prominent. [ Obsolete] Howell. 2. To peep; to look narrowly. [ Obsolete] Latimer. « For birds in...Toot transitive verb To see; to spy. [ Obsolete] P. Plowman. 
Toot is slang for a drinking spree.
[n] - a blast of a horn
noun a blast of a horn