Cheesy bonnet 

Rhyming slang, to get "on it" ie get wasted.

Hey man, wanna get cheesy bonnet?

Cheesy bonnet by youwerethere August 27, 2009

bunnet cheese 

Bunnet cheese is the left over sperm caught in behind your bunnet as your foreskin is rolled forward after climax. The 'cheese' becomes more mature if the bunnet is not washed for several weeks giving a noticable pungent aroma.

Glaswegian Girl - Aye, a went tae suck his boaby and the bunnet cheese wis loutin.

bunnet cheese by Quad March 27, 2005