1 definition by yadayadayadablahblahblah

Weetbix is Australian slang for masturbation, based on the popular cereal brand.

A weetbix with milk is a climax, while half a weetbix is an interrupted wank.
Oh yeah mate, I had a mad weetbix with milk last night
by yadayadayadablahblahblah September 14, 2018
Get the Weetbix mug.