Wisenheimer [noun]

● Bigmouth

● Know-it-all

● Smarty-pants

● Smart ass

● Wiseacre

● Wiseass

● Wisenheimer

● Wiseacre

● Smart aleck

● Weisenheimer

● Wise guy

● Lunkhead

● Curmudgeon

● Sarky

● Wiseguy

● Blowhard

● Sourpuss

● Shithead

● Fuckwit

● Yokel

● Loudmouth

● Dopey

● Apple polisher

● Quipster

● Hepcat

● Fussbudget

● Cryer

● Noodge

● Hmph

● Lunk

● Yankee doodle

● Mumbler

● Yenta

● Grumps

● Fiddlesticks

● Birdbrained

● Hardass

● Rimshot

● Kibitzer

● Goofus

● Dweeby

● Whatchamacallit

● Gagster

● Yapper

● Hambone

● Pencil pusher

● Slobby

● Punster

● Phlegmy

● Galoot

● Kidder

● Chowderhead

● Old codger

● Shlub

● Wackjob

● Brooklynese

● Backtalk

● Wisecracker

● Dogface

● Ironist

● Dufus

● Wino

● Schmoe

● Simp

● Yutz

● Lazybones

● Baldie

● Crabbiness

● Scuzzball

● Tsks

● Sleazoid

● Randy

● Studmuffin

● Whatcha

● Shmuck

● Geezer

● Nebbishy

● Shtik

● Tummler

● Goombah

● Hepcats

● Tsk

● Hacky

● Sleepyhead

● Jackanapes

● Gadabout

● Grandmamma

● Foolery

● Hayseed

● Bozo

● Stoolie

● Meathead

● Flibbertigibbet

● Garbageman

● Egads

● Towhead

● Monosyllable

● Goony

● Dweebish

● Grouch

● Merkin

● Nitpicker

● Filmland

● Yessir

● Schlump

● Braggart