VERB + L-PLATE
took
L-PLATE + NOUN
windscreen
PREP.
off
ADV.
proudly
noun
A plastic square consisting of a large letter L, placed on the front and rear of a vehicle to indicate that the driver is a learner.
The condition of being a novice or learner.
He was also a poet on 'L' plates having published one very slim (to the point of anorexic) collection of verse.
After I passed my driving test, I proudly took the L-plate off the windscreen.
i Register
In some senses, l-plate is marked as informal. Watch for register when choosing this word.