When an individual has had someone elses penis rubbed over them, usually unwillingy. Most commonly rubbed on the head
'Hahaha, did you see ashley just got penised by elliot?!' - After Elliot rubbed his penis over ashley's head.
Posh for knob.
The above is an obscure reference to Harry Enfield or something.
"Penise?" "It's posh for knob."
Can be used to describe something that is either really good or really bad.
We went on a road trip last weekend; it was penises man!
I hate work. It's PENISES!
To have a bigger penis than another
Ethan is more peniser than Tyler.
when you are penisally inactive it means you dont have a big penis, joking that it is so small its not there. somewhat like sexually inactive
hey, im so penisally inactive, its like it checks out until i have a boner, even then its on its night shift, meaning its tired af.