hamstring 

To cause one to not be able to move, walk, or function. To immobilize someone, to make someone powerless. (taken from the literal practice of cutting with a knife an animal's or person's hamstring muscle) past tense - hamstrung

The lack of investors will hamstring my efforts to move the project forward.

I was hamstrung by the flu prior to the marathon.

hamstring by irzapper August 18, 2007

Hamstring 

A crude term for "penis".

Girl: I will karate chop you right in the hamstring!
Guy: Jesus, that's a crude term for a penis.
Girl: Omg lol i don't even know what to do with you.

Hamstring by Dekrepit90 June 9, 2016

hamstring stretch standing 

Actually a type of stretch that is accomplished by bending at the waist and grabbing the backs of your calf muscles.

Also a slang term for getting fucked in the ass, or taking in the ass.

1. The next stretch is the hamstring stretch standing.

2. Man they really got me today. What are you talking about. Well they hammered me on the sales numbers today. Yeah it was kind of like standing there doing the hamstring stretch standing, and then just taking it up the butt. Yeah man I know how you feel.

hamstring stretch standing by pantyteamaster May 10, 2009

pulled a hamstring 

Another meaning for vomiting after a night (or day) of too much drinking.

Jeff went out with Greg and pulled a hamstring in the STRIPES van on the way home.

pulled a hamstring by The Greg July 15, 2004

I think I broke a hamstring... 

What you say when you think you are hurt, or not ok.

Person 1: Are you OK?
Person 2: No, I think I broke a hamstring...

I think I broke a hamstring... by PenguinedPsyduck0xq0 April 5, 2021

pulled hamstring 

Josh pulled his hamstring running what an idiot

Yo I heard he pulled hamstring like a pro

pulled hamstring by Jardaman September 15, 2013

old hamstring 

Some guy named romen who smells

Eww Roman is such an old hamstring

old hamstring by Petter the griffin October 11, 2018