Act your age, not your shoe size 

Stop behaving immaturely. Said to adults who are acting like overgrown children and to school-age children who are acting like overgrown toddlers.

It's time for you to get serious and stop being silly. Grow up, pal! Act your age, not your shoe size!

Act your age, not your shoe size by meow2u3 February 23, 2008

Custom Shoe Size 

The insertion of a male's foot into a female's vagina while the girl is extremely trashed, whereas the man will then walk around using the female as a shoe

"Man, these shoes never seem to fit!!! I think I will take Mary's offer of giving her a custom shoe size."

"I had sex with you mom last night!!!"
"Oh yeah?!! well i gave that bitch a custom shoe size!"

Custom Shoe Size by Purple Mist January 6, 2008

big shoe size 

Implying that a man has a large penis.

''He has a big shoe size.''

big shoe size by LOLROFLTTYLWHIPNAENAE March 21, 2016

zyair big shoe size 

zyair has a reallly big feet he hets hard from looking at shoes

zyair big shoe size is huge feet

zyair big shoe size by big shoe size March 15, 2022

what size shoe are you

normally said by and Eshay cunt to sound tuff it means im going to steal your shoe so they ask what size shoe to maejk sure it fits

oi cunt what size shoe are you , i need a new pair ya dog

what size shoe are you by BRUCKDADDY September 4, 2019

wrong sized shoe

Referring to messing something up with a funny outcome. Originating form Harry styles singing "it's gotta be you" live on stage and saying "wrong sized shoe" instead of the correct lyrics.

I tried doing a backflip into the pool but ended up doing a wrong sized shoe.

wrong sized shoe by Larry_stylinson_forever April 28, 2016