when you are having sex on all fours
"oi dave what did you do this weekend"?
"well Al, i was on a knobout round my mates gaff and i was terrorising this bird, and there i was hanging out the back of it when my mate burst in" !!
" i said you know i looked good hanging out the back of it though init"!!
knobout is a term used to describe a woman who is quite happy to have a very casual sexual relationship with anyone who want to slap it in her.
alright dave what you up to ??
just going round that old sloshers for a knobout,
you know the coo knobout crack on love,
shes just a knobout (no relationship required!!)