beef up

Function: verb
To perform an act of masturbation with the intent of increasing flaccid penis length and girth

He felt it necessary to beef up before entering the crowded sauna without a towel.

by Kylemo October 1, 2007

beef up

Function: verb
To perform an act of masturbation with the intent of increasing flaccid penis length and girth

He felt it necessary to beef up before entering the crowded sauna without a towel.

by Kylemo October 1, 2007

beefed up

1) Hacked up. Lacking form due to damage. 2)Nonsensical, incoherent. Intoxicated.

1) Man, afta the mofo got hit by da car, his arm was all beefed up.
2) Oh yeah. This beer be all that, homie. I feel kinda beefed up. Know what I thought I meant I said?

by Mel da Jap September 2, 2005

BEEFING UP THE DEAN

A WORD COMMONLY USED FOR MASTURBATION IN THE LATE 1890S

HAVE YOU BEEN BEEFING UP THE DEAN

by THE MAN45682 March 17, 2011

beef em up

Trying to get em to gain weight...

I put my doberman in a high protein diet; trying to beef em up!!

by El smitty September 15, 2023

beef up

A slang term meaning to increase or enhance something, originating from the word for "meat." Often used in contexts where something needs to be made more substantial or improved.

McDonald's has decided to beef up their marketing strategy to attract more customers this quarter.

by Emotional Cruiser August 3, 2025