1 incher 

A really tiny cock

Katie: i fucked sam last night at the party
Emma: :O :O :O u so lucky omg
Katie: he had a 1 incher
Emma : lol

1 incher by TheHunterOfPussy December 4, 2016

7 1/2 incher 

The penis size of a sexy beast....in other words, the perfect size !

Rj Card: "Technically, I'm a 7 1/2 incher..."

7 1/2 incher by SexxyyKittyy(; November 29, 2010

5.1 inches

The average penis size on the world according to the first google result

Also see:
12.9 cm
1.5 credit cards
0.5 bycicle tires
2 Nobel prizes

Dude I heard Robert's penis is 5.1 inches
Really! Mine's only 2......Nobel prizes... O-of course.

5.1 inches by Adolf The One and Only May 25, 2017

1 and a half inches 

Dreamnotfound.

if you know you know ;)

George: Oooooh 1 and a half inches dreammm~

1 and a half inches by Kiki's twin, kikiara August 28, 2020