A sexual act in which a man places a doughnut on there gay partners penis and then proceeds to blow them with the aim to getting to the doughnut. (jam or cream doughnuts, Chocolate doughnuts are too runny)

The phrase Declan Doughnut comes from the maker DeclanDoughnuts, which specialise in larger center holes in doughnuts.
I wana declan deepthroat you!

Boy1: Hey what should we do ?
Boy2: Why don't you declan deepthroat me
by michelbigcock February 5, 2011
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