The only word is yuked, which is in the slang dictionary. The definition is "to vomit".
aboardattainattackcanardcreamydamagedebatedepartdetachdisarmdreamyembalmembarkentailescapeexhaleexpandgaragegreaseharassheraldhumanehomageimpactimpartinfantinhaleinnateinsaneintakemanagemirageparadephrasepleaserecallregardrelaterepairremainremarkrenameresaleretakeretainscrapesheathsilagesprawlshrankstraitstrainthrashtruantunfairunmaskunpackunpaidwreath
Shoots.
lawyerfrayedgrayermartyrplayerprayedprayerpraysslayedredyeredyedslayerstayedswayedtrays
walkedwalkerweakenweakerweaklyweeklywickedwinkedworkedworker
scamps
blurryblurtschurchchurnsflurryfourthhourlymournspouredscurryslurpssouredspurnssturdytoured
Some six letter words with the fourth letter U are:absurdaccuseacquitactualadjustambushamountannualaroundarouseassumeassureastuteaugustautumnbeautyblousecasualclausecolumncrouchdeductdefusedeludedelugedeluxedemuredenudedeputydiluteendureengulfenoughensureexcuseexhumefigurefuturegerundgrouchgroundgrouseimmuneimmureimpureimputeinduceinductinfuseinjureinsultinsurejaguarjejunejujubekabukilegumeliquidliquorlocustluxurymanualmanurematureMedusaminuetminutemisusemodulemutualnaturenebulanoduleobtuseoccultoccupyperuseploughpseudorebuffrebukereducerefuelrefugerefundrefuserefuteresultresumereturnrobustrotundsalutesecureseducesequelsequinsexualshouldstrucksuburb
sachet
ladled,lulled,ladles,
Toucan is the word.
Deline
Some six letter words with the fourth letter U are:abductaboundabruptabsurdaccuseacquitactualadjustalludeallureambushamountampuleannualaroundarousearoundarouseassumeassureastuteauburnaugustautumnbeautybelugabemuseblousecasualclausecloudycolumncrouchdebunkdeducedeductdefusedeludedelugedeluxedemuredeputydiluteeffuseendureengulfenoughensureeunuchexcuseexhumefecundfibulafigureflauntfuturegerundgrouchgroundgrouseimmuneimmureimpugnimpureimputeinduceinductinfuseinjureinsultinsurejaguarjejunejujubekabukikahunalegumeliquidliquorlocustluxurymanualmanurematureminuetminutemisusemodulemutualnaturenebulanoduleobtuseoccultoccupyonrushpenuryperuserebuffrebukereducerefugerefundrefuserefutereputeresultresumereturnritualrobustrotundsalutesecureseducesequelsequinsexualshouldshrunksleuthslouchspousesprucesprungstruckstrungsuburbsuturetenurethoughthrushthrusttraumatroughtroupetubuletumultuncurlundulyunfurlunjustunrulyunsungunsureupturnvacuumvicunavisualvolumeyogurt