I've used this workout before, and it's short and sweet. Credit Tim Ferriss for this workout.
You'll do 5 sets of only 8 repetitions of the following exercises.
Also don't put down the weight, go right through all of the 6 exercises...put the weight down and then rest 90 seconds.
The exercises are
Cleans https://www.youtube.com/watch?v=WCdhjfg7fv4&feature=kp
Push press http://youtu.be/g0gEsMc1JZ4?t=28s
Front squat http://youtu.be/SdvBNLk-Tyg?t=1m9s
Bentover row http://youtu.be/YCg1YxMt3oY?t=20s
High pull http://youtu.be/Li4g5p6s2eM?t=51s
Deadlift http://youtu.be/KSZogPDS9c0?t=23s
These can all be done with a bar, or a dumbbell or kettlebell.