Barreloffun

3 clues
Laugh riot
OPEC-sold intangible?
Extremely amusing experience
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Abarrel
Balletbarre
Baronseesbarrenseas
Barre
Barrebrawl
Barred
Barredandbolted
Barredbard
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Barrel
Barrelalong
Barrelbolt
Barrelcactus
Barrelchair
Barrelchest
Barrelchested
Barreled
Barrelful