a person usually a bf or gf who never pays for anything and who is always with money of their own. The always relay on somebody else to pay for them....but the mooching is okay because he or she is your friend.
mew-chtch; verb. To walk in the local area for the sake of walking; often in order to de-stone oneself after a session. Often this is accompanied with stopping off for chippy and a fight before returning home.
"Feel a bit er, stoned, can we go for a mooch"
"I've been taken ill all of a sudden; fancy a mooch?"