7.5 

average penis length by end of high school

size matters:7.5 inches long, 5.5 inch girth, and as hard as possible. A long thick dick is no good if it's bendy

7.5 by heatherup size matters January 25, 2013

7.5 

A term used for the annoyance or a handsome lad by the name of Thomas

Friend 1: Hey, Thomas! 7.5
Friend 2: Hehehe
Thomas: Ugh *turns away and mumbles an insult*

7.5 by KnowTheTruth_SpreadTheTruth March 27, 2019

7.5 

The worst number ever and has ruined many peoples lives.

Look its 7.5!
Uggh I hate that number.

7.5 by bffbabe February 13, 2018

7.5-tuple-3C 

7.5-tuple-third-cousin: has among themselves; different two parents, different four grandparents, different eight great-grandparents, fifteen great-great-grandparents in common and different one great-great-grandparent.

My 7.5-tuple-3C is a good person.

7.5-tuple-3C by Usery May 2, 2021

7.5-tuple-third-cousin 

7.5-tuple-3C:
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and fifteen great-great-grandparents in common.

My 7.5-tuple-third-cousin is a good person.

7.5-tuple-third-cousin by Gerald128 May 15, 2021

7.5-tuple-fourth-cousin

7.5-tuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and fifteen great-great-great-grandparents in common.

My 7.5-tuple-fourth-cousin is a good person.

7.5-tuple-fourth-cousin by ABGR June 9, 2021

1 in 7.5 Trillion. 

The chances of Dream's """"Luck"""" in his Latest Minecraft Speedrum

Guy 1 : Bro you won the Lottery thats like the chances of Dreams Luck

Guy 2 : Yeah, 1 in 7.5 Trillion.

1 in 7.5 Trillion. by Yoyle December 20, 2020