Football term for the goal. More specifically the net hanging off the goalposts. (soccer if you're american)
'The purchase Agogo dealt on his effort was frightening. He spanked it clean into the back of the onion bag. His goal was a proper hum-dinger and no mistake.'
by thee old boozerooney May 5, 2005
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1)Extremely large scrotum

2)Football goal netting
1) I've got a proper onion bag

2)I wish that stupid pundit would stop using the phrase "onion bag"
by Football Pundit March 12, 2009
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Verb: when a man puts both of his testicles, but not his penis, inside a woman's vagina.
"Dude, I onion bagged Sharon last night. And filmed it."
by Vocabulary Man September 27, 2009
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Common parlance among tabloid sports journalists for scoring a goal in football. Unwittingly, they are also referencing an obscure gay sex act whereby one participant stretches the other's scrotum taut across his mouth and pokes his tongue between the balls.
Rooney's having a great season, bulging the onion bag 16 times already!
by EinZweiDie January 1, 2011
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