Shlengthen 

A schlong that has achieved greater length as a result of multiple boners.

Wow, Jim! The last time I saw your Johnson in grade 9 at basketball practice it was only half the length.

Well Billy, a boner a day will shlengthen your tinkle thing to stay!

Shlengthen by Stevie Boo Boo August 11, 2020

strengthen 

to increase in a positive way,such as in value,power, or beauty

passing the exam should strengthen your chances of being admitted to college

strengthen by prepare for SAT December 18, 2019

shlength 

The length of a shlong.

See shlong, shlongitude

My shlength is the standard for Astronomical Units.

shlength by Zenzirouj February 24, 2004

strengthened 

Being made strong; upgraded.
It’s verb is a simple past tense and past particle of strengthen

They have strengthened their muscles and are ready to rumble

strengthened by dreemurrchara654 August 31, 2018