A man who brags about their Penis size being larger than others, and is always asking to compare.
"Dude, Blackwell asked Hoon to compare sizes , Blackwell is a total Dick Bugler "
"my male genitalia is predominately a greater length and width than yours" - Said the Dick Bugler
To be used as a substitute for Wank, or Wanker. More american than the term wank.
Also a person who "wags" their "dick" too often/openly
"You dickwag you stole my sandwitch"