Night beaver 

A beaver (vagina) that most often appears at night in search of wood (penis).

Carly, we know the night beaver is hungry, but cover that thang up!

Night beaver by Twatdoumean October 17, 2017

Saturday night beaver 

a weekend booty call

Saturday is the best day of the week cuz that's when I get my Saturday night beaver on.

Saturday night beaver by Gabalot July 28, 2020

you were a little hard on the beaver last night 

1) Quote from the the 1957 classic TV show "Leave it to Beaver"

2) When a male sexually pleases a female sometimes inducing pain, but always pleasure ;)

Bridget: "Wow, last night was bad."
Muhammad: "What do you mean? I had a great time!"
Bridget: "Yeah but you were a little hard on the beaver last night..."

you were a little hard on the beaver last night by Justin Manfred Weaver December 22, 2008

night-beater

one who beateth the meateth in the late hours due to loneliness and the balls of blue,

there was a reported night-beater reported at the boro during the year of our lord, allan murphy.

night-beater by Allan Murphy June 12, 2008