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1.
1) Non-penetrative sex using knickers.

When the lady hasn't taken her knickers off and sex is still attempted through the knickers. It's a confusing mix of knickers, bollocks and goodness knows what else.

Some people try this as a contraceptive method.
"dude, we didn't have any condoms so we tried knicker bollock glory instead.
by annaboo November 29, 2011