Truck - Y hand formation and sort of brushes against your other elbow.
Store - looks like the sign for "cherish", but the hand moves a few times.
Laundry - same sign as Sweden
Soon - Use a clawed number three hand shape. Place thumb on side of chin, then flick wrist back.
Supposedly 37 different signs for grey. I sign grey same as whatever.
What - wag index finger back forth (outside of my state - this means where)
Where - Open hand, palms out, shake back and forth.
Birthday - we use Birth + day, but have seen about 10 different ways of signing Birthday - making some sort of flicking motion over your heart.
Computer - looks like mercy but hands go in circles.
Rain and snow 2 different signs - look very similiar. Most often, the sign for snow starts with the hands touching the shoulders.
Popcorn - depends on your generation. I use 2 different signs for popcorn. Most often, left hand has V hand formation and right hand had number one formation. The finger of my right hand then taps the the inside of the V. But another sign I use for popcorn looks like I am holding the handle and lid of a pan and shaking it over the pan.
Wolf - With a letter D hand formation, rest the finger against one nostril.
Laugh - B hand formation and slide diagonally up and down. Bottom part of hand on one side of chin and the top part of the hand on the other side of the mouth.