Knob Sock

Another term for condom or a rubber can also be used as an insult.

“Oh you knob sock!”

or
“I need to go buy a knob sock”

Lipstick Monkey

A lipstick monkey is someone who you want to kiss a lot, this is because the lipstick represents kissing and monkeys are cheeky.

Oh look over there, she’s a lipstick monkey!