Lighter, Historical Dictionary of American Slang:
fruit-loop n. [sugg. by 'Fruit Loops' a trademark for sweetened breakfast cereal and FRUIT, n. 4&5]
1. a crazy or eccentric person; FRUITCAKE, 1; (also) an effeminate homosexual man; FRUIT, 4.
2. fag-tag

fruit n.
[...]
4. an effeminate male; a male homosexual. -- used derisively. -- occ. used collect.
5. a crazy or silly person; FRUITCAKE, 1. Also as quasi-adj.


http://www.macquariedictionary.com.au/mdi1000...
fruit loop
noun a loony; someone of unsound mind.


http://www.urbandictionary.com/define.php?ter...
fruitloop
1. a friend that makes you laugh
2. term of endearment


http://www.csupomona.edu/~jasanders/slang/csr...
fruit (n)
A loser, fool, or stupid person. You fruit; I can't believe you locked your keys in your car! [SUNY, Stony Brook, Stony Brook, NY, 1998]

Some references would be nice, especially for slang terms. I found the information above in various slang dictionaries, but there is no clear connection between "fruit loop" and "Heulsuse".

fruitloop - Spinner

don't be such a wuss <ae>

also ich weiß nicht genau wie man das schreibt - in den US ist das der mir am geläufigsten ercheinende ausdruck für heulsuse.

Hehe, there's a popular music software called "fruity loops"...
I think that's funny...

Isn't a wuss more like a "Weichei" - "softy"??