to attract a person of the opposite by bending one's arm at a 45 degree angle and resting it on his/her head then proceeding to rest that arm on the nearest solid object. the "duffer" proceeds to be in close proximity to the "duffy" and ask said "duffy" ridiculous questions in a terrible attempt to pick the person up.
Look at Ronnieover there in the corner tryin to duff that girl... Thinkins he's a staahhh...
a spoon. a flattened spoon. a somewhat slotted spoon. Usually used to mash and mush a variation of potatoes. One who is an "Ali Eng" prefers yellow potatoes. If the potatoe is spudding, it is all the better.
While tripping on triple C's, one might find...ones self, a potato. AKA, you are pulling an Ali Eng.
Excuse me, can you please pass a slice of Ali Eng?